BIOLOGIA CENTRALI AMERICANA FAUNA AND FLORA, RHYNCHOTA HEMIPTERA HOMOPTERA, V2-2, COCKERELL 1899

RHYNCHOTA.
HEMIPTEBA-HOMOPTEBA.
Vol.

II.

Part

2.

BY
Prof. T. D. A.

COCKERELL.

1899.


—

BIOLOGIA CENTRALI-AMERICANA.
ZOOLOaiA.
INSECTA.
RHYNCHOTA.

Class

Order
Suborder

HEMIPTERA-HOMOPTERA

(continued).

Fam. ALEURODID^*.
The

following species have been recorded from our region

ALEURODICUS,
1.

Aleurodicus dugesi.

Aleurodicus dugesii, Ckll. Canad. Entom. 1896,

Hob. Mexico
2.

:

p.

302.

Guanajuato {Duges}.

Aleurodicus iridescens.
p. 225.

Aleurodicus iridescens, Ckll. Psyche, 1898,

Hah. Mexico
3.

:

Dougl.

:

Tabasco {Townsend).

Aleurodicus mirabilis.

Aleurodes mirabilis, Ckll. Psyche, 1898, pr-agS.
Aleurodicus mirabilis, Ckll. Psyche, 1899,

p.

360.

Hab. Mexico: Tabasco {Townsend); Minatitlan, on Anona, 189'8 (Townsend).

ALEURODES, Amy. &
1.

Serv.

Aleurodes vinsonioides.

Aleurodes vinsonioides, Ckll. Psyche, 1898, p. 225.

Eab. Mexico
2.

:

Tabasco {Townsend).

Aleurodes nicotiana).

Aleurodes nicotiana, Maskell, Trans.

Hab, Mexico: Guanajuato
3.

New

Zeal. Inst. 1895, p. 436.

(i>M^^s).

Aleurodes erigeroutis.
New

Aleurodes erigerontis, Maskell, Trans.

Hab. Mexico; Escalon {Cockerell).
*

BIOL. CENTR.-AMEE.,

By

Zeal. Inst. 1895, p. 429.

See Ent. News, 1896,

p. 247.

T. D. A. COCKEEELL.

Rhynch. Homop., Vol.

II. Ft. 2,

December 1899.

fi


;

HEMIPTEEA-HOMOPTEBA.

2

Pam. COCCID^ *.

MONOPHLEBINJE.

MONOPHLEBUS,

Leach.

\Llaveia, Signoret.]

The supposed
are

due

between Monophlehus

distinctions

to the immaturity

{

= Llaveia,

Protortonia primitiva have 11-segmented antennae.

1899,

Sign.)

and Protortonia

of the type-specimens of the latter group.

Adults of

See Proc. Acad. Nat.

Sci. Phil.

259.

p.

Monophlebus axinus.

1.

Llaveia axinus (Llave), Sign. Essai sur les Cochenilles, p. 404 (1875)

Coccus adipofera, Donde Euiz (Ibarra),
Abstr. Scientific American,

xlii. p.

La Emulacion
10 (1880)

Sci.

;

;

Ckll. Can. Ent. 1897, p. 271.

(Merida, Yucatan),

ii.

pp.

174-180 (1879).

Amer., Suppl. no. 184 (July 1879)

;

Gaea,

Colonies and India, 26 April, 1879, p. 9; Lotos, 1875 (?), pp. 199-200
Journ, Applied Science, x. pp. 24-25 (1879) {cf. Taschenberg, Bibl. Zool. ii. 1889, p. 1526).

vi.

563-566 (1870)

pp.

Hah. Mexico
in

TIacotalpam {de la Llave)

:

Oaxaca (Townsend)
This insect

females

is

;

;

coral-red

is

between Salina Cruz and Tehuantepec

;

Yucatan, on Spondias {Donde Euiz).
(

$

)

and

is

covered with a fine whitish powder.

% of their weight of a bright yellow

extracted 26 to 28

fat,

From

which

is

the

said to

be the most quickly drying oleaginous substance known.
Dr. A.

Duges has described a

var. dorsalis, Nat.

Mex.

(2)

i.

p,

160 (1888).

Monophlebus bouvari.

2.

Ortonia bouvari, Sign. Essai sur les Cochenilles, p. 402 (1875).

Uab. Guatemala.

Monophlebus primitivus.

3.

Ortonia primitiva, Towns. Journ. N. Y. Ent. Soc. 1898, p. 169.
ilab.

Mexico

:

Cuautla in Morelos [Koehele).

L Monophlebus mexicanorum.
& Mag.

Ortonia mexicanorum, Ckll. Ann.

Hab. Mexico
*

By

:

T. D. A. CocKEEELL.

detailed list of

Mexican

Nearly

Coccidae,

all

N. Y. Ent. Soc, Sept. 1898, Ann.

Since then, forty

& Mag.

responsible for the identification of the

Agricultural

p.

430.

1898 by

CoUege.— r.

D

of the material of this family has passed through

with food-plants and

Journ. N. Y. Ent. Soc, Dec. 1897.

collection procured in

Nat. Hist., June 1898,

Mixcoac {Koebele).

Prof.

A. C.

localities,

new

of Nat. History,

Panama

was published by

Prof. C.

my

hands.

H. T. Townsend

A
in

have been described from Mexico in Journ.
June 1898, and 'Entomologist,' June 1898. I am

species

species collected

Townsend I have been

by Mr. Dolby-Tyler.

assisted

by Mr. P.

In working over the

J. Parrott,

of the

Kansas


MONOPHLEBUS.
The
and

following males

MonopMebus,
S

may belong to one or
name them

therefore inadvisable to

it is

—ICERYA.

3

the other of the four species enumerated,
:

sp.

Expanse of wings about 16 millim. Head, body, legs, and antennse ferruginous eyes bright scarlet
abdomen thinly covered with cottony secretion, and presenting eight long fleshy caudal processes covered
with short hairs. Wings black, with the usual broad red costa and two white streaks.
;

.

Ilab.

Panama: Volcan de Chiriqui 3000

feet

{Champion).

and coloration resembles the African M. raddoni, Westw., but that has the
thoracic dorsum piceous. This and the two following males are particularly interesting,
In

size

because they show that the Monophlehus-Yike insects of Central America, variously
referred to Ortonia

and Llaveia, have indeed

structure of true MonopJilehus.

female only,

names

As four

probable that some or

it is

in the male, as well as in the female, the

species are

all

known from our

region from the

of these males belong with them

;

hence no

are proposed for the males, although several species have been described in

former years from the male alone.

Monophlebus,

sp.

S. Expanse about 10 millim. Reddish; eyes, thoracic band, ventral surface of thorax, and legs black;
antennae very dark brown abdomen bright scarlet, practically naked, with only four long fleshy processes,
*which are brown. Wings black, with a red costa, but no white streaks.
;

Hah. Panama: Volcan de Chiriqui 3000

feet {Champion).

This departs from typical Monophlebus in having only four (instead of eight) caudal
processes.

It

may

possibly be the male of Protortonia, in which case that

name might

well be used in a subgeneric sense.

Monophlebus,
S

sp.

Expanse about 10 millim. Dull red head, except the occiput, antennae, legs, and pro- and mesothorax
black abdomen with eight fleshy processes, the first shorter than the rest wings black, with the usual
red costa, and two white lines, which are longer and finer than in the large species from Chiriqui.
;

.

;

;

Hah. Mexico

:

Acaguizotla in Guerrero 3500 feet (H. H. Smith).

ICERYA,
1.

Icerya montserratensis.

& Howard, Insect

leery a montserratemis, Riley

Sign,

Life,

iii.

p.

99 (1890),

Hah. Mexico: Izamal in Yucatan (Towwsew(Z)^Tampico {Townsend); Panama, Colon
{S.

A. Davis).
2.

Icerya palmeri.
& Howard,

Icerya palmeri, Riley

Ent. Soc. 1898,

Hah. Mexico

:

p.

167

Insect Life,

iii.

p.

103 (1890) (young)

;

Townsend, Journ. N. Y.

(adult).

Guaymas {Palmer,

Koehele).

fi 2


—

HEMIPTEEA-HOMOPTERA.

4
3.

Icerya purchasi.

New

Icerya purchasi, Maskell, Trans.

Hah. Mexico: Guaymas
end)

Zeal. Inst. xi. p. 221 (1878).

(Tow;?se^^6Z)

^evmosillo {Townsend)

;

;

Magdalena

(2bwj«s-

Monterey (Tawnsend).

;

This insect exists in two forms, which are probably distinct species.
maskelli, CklL,

The form

found near Guaymas, and the form crawii at Magdalena.

is

See

Townsend, Journ. N. Y. Ent. Soc, Sept. 1898, pp. 165-167.
Subg. Pe©ticerta, CklL
4.

Icerya

Icerya

littoralis, Ckll.

Hah. Mexico

A var.
me

by

littoralis.

& Mag.

Nat. Hist., June 1898,

429.

p.
;

Tehuantepec

city [Townsend).

mimosce, Ckll.^ from Las Minas near Fionteia, (Townsend), has been described

(loc. cit.).

5.

Icerya

Ann.

El Faro near Frontera (Townsend)

:

Icerya

rileyi, Ckll.

rileyi.
Psyche, Dec. 1895, Suppl.

Hah. Mexico: Juarez in Chihuahua
Originally described from

New

p. 15.

(CocJcerell).

Mexico.

CRYPTICERYA,
1.

Crypticerya

Icerya rosa, Eiley

& Howard,

Insect

Hah. Mexico: Tehuantepec

mexicana, CklL
About 7 millim.

CklL

rosae.

&

Jjife,

ii.

p.

333,

iii.

p. 93.

(Townsend).

city

Parrott, subsp. n.

Dark red, stained with black in the dorsal region, more or less
covered with white powder; three longitudinal series (one dorsal, the others lateral) of rather large
patches
of bright sulphur-yellow secretion, extending over the anterior half of the insect.
Legs blaek.

Newly-hatched larva similar to that of 0. rosce, but the lateral hairs before the six long caudal ones
are not
usually so long, and there are two very long hairs -on each side of the body in the cephalothoracic
region.
The following measurements (in /x) will assist identification

$

.

long,,

5 broad, 4| high.

:

Larva. Legs: coxa 70-74; femur with trochanter 231; tibia 239-281; tarsus 165; claw 38-41.
segments (1) 39-49, (2) 57-66, (3) 66-74, (4) 53-57, (5) 49, (6) 149-165.
Larva. Median caudal hairs 994-1143 ju second caudal hairs 828-994^; anterior long cephalothoracic
hairs
496-579 n posterior long cephalothoracic hairs 463-496 jj,.

Larva. Antennae

:

;

;

Adult female. Antennal segments (1) 132, (2) 99, (3) 107-115, (4) 82-99, (5) 78-82, (6) 54-66,
(7) 54-66
Legs coxa 248-265, femur with trochanter 695-748, tibia 636-666^
(8) 82, (9) 82, (10)?, (11) 198.
tarsus 331, claw 82.
There are dermal hairs of two sizes the larger 298 fx, the shorter 66 u.
:

—

..

Hah. Mexico

:

Aguas

Calientes,

May

1,

1898, on Broso^is, sp. (Townsend).

This subspecies has the yellow spots of
insect

and from

C. australis.

C. rosce in the lateral hairs of the larva.

Mask., but

differs

from that


;

OETHEZIA.— PSEUDOCOCCUS.

5

ORTHEZIIN^.
ORTHEZIA,
1.

Bosc.

Orthezia sonorensis.

Orthesia sonorensis, Ckll. Bull. 4, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1896) p. 38.

Hah. Mexico

2.

:

San Ignacio in Sonora (Tow7isend).

Orthezia insignis.

Orthezia insignis, Douglas, Ent. Monthly Mag., Jan. 1888, p. 170 (?

Hah. Mexico

:

Vera Cruz

[Cockerell)

Aguas Calientes (Townsend)

;

Guanajuato [Duges)

Izamal (Townsend)

;

;

at

;

)

(excl.

^).

Guadalajara (Townsend)

Vera Cruz, on potted plants of

Gardenia brought from Orizaba, April 23, 1898 (Townsend).

COCCINjE.

PSEUDOCOCCUS,
Coccus, L.,

which

is

species

was

first

the proper

subdivided by Geoffi-oy,

name

for Psylla) for

which in the females "

it

seems to be a

Pseudococcus

1.

Coccus

Bijpersia.

cacti,

uses Chermes (not Chermes, Linn.,

Lecanium, &c., and

retain the shape of an insect."

under Coccus, and only one of these,
of the 'Systema Naturae.'

Westwood.

who

C. ^halaridis, is

restricts

Coccus to those

GeoflFroy has three species

mentioned in the tenth edition

This must apparently be regarded as the type of Coccus;

See Proc. Acad. Nat.

Sci. Phil.

1899,

p. 260.

cacti.

Burm. Handb. der Ent.

ii.

p.

72 (1839) (nee Linn.).

Hab. Mexico; Guatemala; Honduras; Salvador; Nicaragua.

For a discussion of

its

detailed distribution, see

The

insect described as Coccus cacti

received from Daniel Rolander,

is

Edward Wiepen, JB.

d.

Hohere

Burmeister's type was from Mexico.

Biirgerschule de Stadt Koln, 1889.

by Linnaeus,

Syst. Nat. ed. x. p. 457,

which he

a Monophlebid, as can readily be seen by consulting

DeGeer's figures of specimens from the same source. The Linnean description is full
Burmeister's description, and
to show that his insect was not the cochineal.

enough

also his references, pertain to the true cochineal.

2.

Pseudococcus tomentosus.

Coccus tomentosus. Lam. {opuntia, Lieht. MS., CkU.); Ckll. Bull.

4,

Techn. Ser., Div.

Enfc.,

U.

S.

Dept. Agric. (1896) p. 35.

Hah. Mexico: Guanajuato and
in Tamaulipas (Townsend).

Kancho

Silao (Duges).

Var. newsteadi, Ckll.:

La Puerta


—

HEMIPTEEA-HOMOPTERA.

6
3.

Fseudococcus confasus.

Coccus confusus, Ckll. Amer. Nat. 1893, p. 1013.

Hob. Mexico: Cuautla, July 25, 1897 (Koehele, in

coll.

U.

S.

Dep. Agric,

det.

Pergande).

New

Described from

Mexico.

ERIOCOCCUS,
1.

Targ.-Tozz.

Eriococcus dubius.

Eriococcus dubius, Ckll. Bull. 4, Techn. Ser., Div. Ent., Dept. Agric. (1896)

Hal. Mexico

2.

:

p. 37.

Valles (Townsend).

Eriococcus quercus.

Rhizococcus quercus, Comst. Kep. U. S. Dept. Agric. for 1880 (1881), p. 340.

Eah. North America, Florida.

Mexico, Guanajuato (Buges).

Originally described from Florida.

CEEOCOCCUS,
1.

Cerococcus corticis, Towns.
Ilab.

Comst.

Cerococcus corticis.

&

Ckll. Journ.

N. Y. Eut. Soc. 189H,

p.

170.

Mexico, Nogales in Sonora (Koebele),

SOLENOCOCCUS,
Solenococcus, Ckll. Bull.
{Solenophora,

Maskell,

Ills.

nee

Ckll.

State Lab. Nat. Hist. 1899, p. 392.

Solenophora,

Benth. 1840,

nee

Solenophorus,

Crepl.

1839,

nee

Solenophorus, Muls. 1840.)

1.

Solenococcus koebelei.

Solenophora koebelei, Ckll. Ann.

& Mag.

Nat. Hist., June 1898,

p. 429.

Eab. Mexico, Tulare (Koebele).

Mr. E. E. Green

(in litt.) suggests that Solenococcus

but I think they are

POEOCOCCUS,
1.

might be merged in Cerococcus,

sufficiently distinct.

Ckll.

Porococcus tinctorius.

Porococcus tinctorius, Ckll. Ann.

& Mag.

Nat. Hist., June 1898,

Eab. Mexico, Amecameca {Koebele).

p.

427.


POEOCOCCUS.—DACTYLOPIUS.
2.

Porococcus pergandei.

& Mag.

Porococcus pergandei, Ckll. Ann.

Mexico

Ilah.

:

Nat. Hist,, June 1898,

CAPULINIA,
1.

Capulinia

Capulinia

sallei,

p.

427.

Cuautla (Koebele).

Sign.

sallei.

Sign. Essai sur les Coclieniiles, p. 326 (1875).

Bab. Mexico (Salle)

Arroyo San

;

Isidro, near Frontera (Townsend).

See Townsend,

Journ. N. Y. Ent. Soc, Sept. 1898, pp. 173-174.

PHENACOCCUS,
1.

Ckll.

PhenacoccTis yuccse.

Pseudococcus yucca, Coq. West Amer. Scientist, Sept. 1890,
.

Hah. Mexico

many

:

localities.

p. 44.

See Townsend, Journ.

N. Y. Ent. Soc.

1897,

p. 180.

The

var.

mexicanus

(det. Tinsley)

2.

from the

(Ckll.), described

the dorsal markings of the body.

On

city of

Mexico,

is

distinguished by

April 30, 1898, Townsend found this species

on bark of Phytolacca in Mexico

city.

Phenacoccus helianthi, subsp. gossypii.
& Ckll. Journ. N. Y. Ent. Soc.

Phenacoccus gossypii, Towns.

1898,

p. 170.

Eio Usumacinta in Tabasco
(Townsend); Tlacotalpam, April 19, 1898, on leaves and twigs oi Malvaviscus in the
Hah. Mexico

Frontera (Townsend)

:

Las

;

del

Islas

plaza (Townsend).

The last-mentioned specimens were determined by

DACTYLOPIUS,
1.

Dactylopius

Dorthesia

citri,

Costa.

citri.

Eisso, Essai sur I'histoire naturelle des Grangers (1813).

Hah. Mexico

:

Orizaba, Cordova, Uruapan, Ario, Cuicatlan, Jacona, and Tacambaro

Orizaba, on Erythrina, det. Tinsley (Koehele)

(Segura)

;

Tinsley

(Koehele).

Guatemala:

Marlatt, Bull. 18, N.

2.

Prof. Tinsley.

S.,

injuring

coffee

;

Mexico

city,

(Bieseldorff).

on Braccena,

det.

See Howard and

Div. Ent., Dept. Agriculture, 1898, pp. 99-100.

Dactylopius virgatus.

Dactylopius virgatus, Ckll. Entomologist, 1893,

Bah. Mexico:

Cuautla (Koehele);

p.

178.

Tlacotalpam,

April 19,

1898, on leaves

of


HEMIPTEEA-HOMOPTERA.

8

a small palm in a tub at the hotel, also on Croton, at the same place,

det. Tinsley

(Townsend).
Originally described from Jamaica.

and myself that
case, only the

3.

It has occurred

independently to Prof. Tinsley
I),

examination of Signoret's types can prove

it.

indicus

;

but

if this is

the

Dactylopius nipae.

Dactylopius nvp(R, Maskell, Trans.

Hob. Mexico

:

New

Jicaltepec in

Not seen by me.
4.

may

possibly be Signoret's

this species

Zeal. Inst. xxv. p. 232.

Vera Cruz {Townsend).

Originally described from Demerara.

Bactylopius pseudonipse.

Dactylopius pseudonipa, Ckll. Science Gossip^ April 1897, p. 302.

Hah. MEXiro: Vera Cruz, April 23, 1898, on coco-nut palm; and Coatzocoalcos,
April 24, 1898, on a large tree called "laurel"; det. Tinsley {Townsend).

5.

Dactylopius steeli.
steelii, Ckll. & Twns. Ent. News,

Bergrothia

Oct. 1894, p. 263.

Hah. Mexico: "El Paso, Mexico" (Uuarez)
First described

6.

from the Mesilla Valley,

;

New

det. Tinsley {Koehele).

Mexico.

Dactylopius olivaceus.

Dactylopius olivaceus, Ckll. Bull. 4, Techn. Ser., Div. Ent., Dept. Agric. (1896)

Hah. Mexico

Ciudad Porfirio Diaz {Townsend).

:

Found on Yucca.

ASTEBOLECANim^.
LECANIODIASPIS,
1.

Targ.-Tozz.

Lecaniodiaspis radiatus.

Lecaniodiaspis radiatus, Ckll. Canad. Entom. 1897, p. 269.

Hah. Mexico: near Salina Cyuz {Townsend).

2.

Lecaniodiaspis manihotis.

Prosopophora manihotis, Towns. Journ. N. Y. Ent. Soc. 1898,

Hah. Mexico

:

Cuautla {Koelele).

p. 172.

p. 86.


ASTEROLEGANITJM.—KERMES.

ASTEEOLECANIUM,
1.

9

Targ.-Tozz.

Asterolecanium pustnlans.

Planchonia pustidans, Ckll. Science Gossip, April 1893,

Hah. Mexico

:

p. 77..

Vera Cruz {Cocker ell).

TACHARDIIWM.
TACHAEDIA,
1.

Blanchard.

Tachardia mexicana.

Carteria meximna, Comst. Rep. U. S. Dep. Agric. for 1881, p. 212.

Had. Mexico: Tampico; Oaxaca (Zoe^e/^).
2.

Tachardia

larresB.

Carteria larrecs, Comst. Rep. U. S. Dep. Agric. for 1881, p. 211.

Hah. Mexico: see Comstock, 2nd Rep., Dept. Entom., Cornell Univ. Exp.
(1883)

p.

Also occurs

3.

at

Tucson, Arizona {Tourney and Cockerell), and at

{Br. Palmer)

;

Specimens in

:

U.

coll.

S.

Dept. Agric.

Tachardia nigra.

& Ckll.

Tachardia nigra, Towns.

Hah. Mexico

:

Guaymas, on Coursetia

Described from Arizona.

Journ. N. Y. Ent. Soc. 1898, p. 172.

Tachardia Mvoradiata,
& Mag.
:

;

Orizaba {Koehele).

Tachardia fuhoradiata, Ckll. Ann.

Hah. Mexico

p. 1.

Guaymas, on Mimosa or Proso;pis {Koehele)
Hermosillo, on Coursetia glandulosa {Koehele).

Hah. Mexico

5.

Tempe {Cockerell).

Tachardia fulgens.

Tachardia fulgem, Ckll. Psyche, July 1895, Suppl.

4.

Sta.

130.

Nat. Hist., June 1898,

p.

431.

Eancho Carbonel near Frontera {Townsend).

KEBMESINJE.

KERMES,
Kermes, Boitard, Man. d'Entom.

Boitard

is

ii.

p.

Boitard.

171 (1828).

the earliest author I have yet found using Kermes (not Chermes) as a true

generic name, including the species

term, appears in

many

BiOL. CENTE.-AMER.,

we now refer to

it.

Of

course Kermes, as a popular

earlier works.

Rhynch. Homop., Vol.

II. Pt. 2,

Decemher 1899.

fi


HEMIPTEEA-HOMOPTERA.

10

Kermes grandis.

1.

Kermes grandis,

Ckll.

Hob. Mexico

& Mag.

Ann.

Amecameca

:

Nat. Hist.^ June 1898,

p.

431.

[Koelele).

Kermes nigropunctatus.

2.

Kermes nigropunctatus, Ehrhorn & Cockerell, Ent. News, Oct. 1898,

Hah. Mexico
oak,

May

22,

mouth of San Diego Canon,

:

received

Mr. Ehrhorn
if

Chihuahua, on

live

1899 (Townsend).

The

Originally described from California.
first

p. 186.

Sierra Madre, State of

Sierra

Madre

insect resembles the form

from Mr. Ehrhorn, collected at Los Angeles.

Specimens found by

San Jacinto, Calif, April 1889, are very pale and show

at

shallow transverse

distinct

sulci.

LECANIINjE.

LECANIUM,
Lecanium hesperidum.

1.

Lecanium hesperidum

Burm. Handb. der Ent.

(L.),

Hah. Mexico: various
p.

183
2.

lllig.

localities; see

ii.

p.

69 (1835).

Townsend, Journ. N. Y. Ent. Soc, Dec. 1897,

Tlacotalpam, on Ahutilon in a pot at the hotel {Tow7isend).

;

Lecanium

Lecanium

terminaliae.

terminalice, Ckll. Journ. Inst.

Yem

Hah. Mexico:

Jamaica, 1893,

p. 254,

Cymt, (Cockerell).

Originally described from Jamaica.
3.

Lecanium scMni.

Lecanium

schini, Ckll.

Hah. Mexico

La

Naturaleza,

(2)

p.

ii.

Guanajuato (Buges)

:

304 (1893)

;

Bull. Soc. Zool. Fr. xviii. p. 167.

Frontera, on " nance m," a tree about as big as

;

an apple-tree, with beautiful orange-coloured flowers and an edible yellow
the size of a plum.

The

May

12,

about

egg-shells of this species are covered with little prominences, as seen in the

The

Frontera material.

on an Hihiscus-like shrub
4.

fruit

1897 {Townsend).

legs are shorter in the Frontera
at Frontera, April

form than in the type.

Also

29 (Townsend).

Lecanium impar.

Lecanium impar, Ckll. Entomologist, 1898,

Hah. Mexico

:

on "Tacoq," June

p.

131.

Las Minas in Tabasco (Townsend)
4,

1897 (Townsend).

;

San Antonio del Sapotal, Tabasco,


LECANIUM.

11

Lecanium longulum.

5.

Lecanivm longulum, Douglas, Ent. Monthly Mag. 1887,

p. 97.

Hob. Mexico: Frontera, on "nancem," June 25 (Toivnsend); Panama, 1898 {DolbyTyler).

Lecanium

6.

Lecanium

sallei,

sallei.

Sign. Essai sur les Cochenilles, p. 240 (1873).

Hab. Mexico

(Salle).

Lecanium imbricatum.

7.

Lecanium imbricatum,

Cldl. Bull. 4, Techn. Ser., Div. Ent., Dept. Agric. (1896) p. 38.

Hab. Mexico: Alta Mira in Tamaulipas (Tomnsend)

May 1897

Two

-,

Frontera, on an

unknown

tree,

[Townsend).

varieties of this species

were also found, as follows

:—

Male scales rather broader and clearer thau' in. type. Female apparently without the
brown glands.— On a shrub in woods (leaves 6 to 7 inches long, 2| wide, lighter green and not glabrous
below), Frontera, Tabasco, April 14, 1897 (Townsend).

L. imbricatum, var.

flattish, dull,
L. imlricatum, var. Female scale about 6 millim. long, 3^ broad, 2 high ; rather elongate-oval,
The scale itself
pale brown, with very large and deep punctures, except in the middle of the dorsum.
woolly
shiny, but it is covered by a dirty-looking layer of wax, which gives it a dull and almost
is

The following measurements (iin ^) are by Mr. Parrott femur 39 long by 50 broad;
56 long, 42 broad at base. Antennae 75 ^ long, 45 broad at base, last segment 19 broad at
Male scales glassy, quite broad, overlapping one another.—
diameter.
Circular glands
base.
Tlacotalpam, April 20, 1898, on branches, twigs, and leaves of "limon real," i. e. shaddock (Toiunsend).
appearance.

tibia

8.

:

+ tarsus

U

Lecanium

Lecanium

chilaspidis.

chilaspidis, Ckll.

Eab. Mexico

:

fjL

Canad. Entom. 1897,

p. 268'.

Tehuantepec city (Toiunsend).

The name of the plant on which
probably a blunder for

CMlopm

this

was found, ''Ckilaspis"

nevertheless, the specific

;

name

is

wrong, and

is

of the insect can

remain.

9.

Lecanium tubuliferum.

Lecanium tubuliferum,

Hab. Mexico
This

is

:

Ckll. Entomologist, 1898, p. 132*.

Amecameca

(Koebele).

a doubtful Lecanium.

It

may

prove to be an immature state oi Kermes

grandis.

t2 2


—

HEMIPTEEA-HOMOPTEEA.

12

Lecanium

10.

Kermes

oleae,

Bernard,

Hob. Mexico

olese.

Mem.

Hist. Nat. Provence,

various localities

:

;

ii.

p. 275,

2. fig.

t.

25 (1788).

Townsend, Journ. N. Y. Ent. Soc. 1897,

see

p.

184

;

Panama: on Psidium (Dolhy-Tyler).

miranduni;

&

Ckll.

Parrott, subsp. nov.

hemispherical, with vague hut discernible indicatioas of the
Brown, varying from a dark chestnut to ochreous, the lighter forms showing under
a lens innumerable yellow specks crowded on a dark ground in addition, the. scale is spotted all over
with raised points of white glassy secretion, giving it a remarkably pretty appearance.
Skin with the usual polygonal markings of Saissetia the polygons vary from 28 x 47/x to 39 x 42 yu, with the
central gland 14 x 19 to 16 x 19 jw,
Legs with the coxa 99-115 /z; femur with trochanter 182-190; tibia 151-152 tarsus 90-99; claw 16.

Antenna 8-segmented, segments measuring in /x:— (1) 39-42, (2) 33, (3) 59-62, (4) 45-59, (5) 19-39,
One 7-segmented antenna was found, with these measurements
(6) 17-31, (7) 12-22, (8) 39.

5

.

Scale 3| millim. long, 2| broad, 2 high

H-ridges of L.

;

olece.

;

;

;

:

(1) 39, (2) 36, (3) 59, (4) 56, (5) 17, (6) 25, (7) 47.

Kewly-hatched larva (dried) duU brownish orange varying to apricot colour, without markings.

Hah. Mexico: Tlacotalpam in Vera Cruz,

1898, on Abutilon,

xlpril 19,

sp., in

a pot

at the hotel {Townsend).

This was described as a distinct species, but since then specimens have been seen
v^hich connect

it

with L.

olece.

Lecanium hemisphaericum.

11.

Lecanium hemisphcericum, Targioni-Tozzetti, Studi suUe Cocciniglie, 1867,

Hah. Mexico: Laguna, Carmen
This

is

I.

(Towwse?z
L. Goffeoe of authors, but probably not of Walker,

indicates L. olece rather than L. hemisphcericum.

Mr. Theo. Pergande, who further
Berlin

Museum

Prof.

last year,

states that

and they were L.

Townsend has more recently found

p. 27.

Vkeamk: on Gardenia {Dolby -Tyler).

;

whose

brief description

This was pointed out to

he saw some authentic L.

coffece

me by
in the

olece.

it at

Vera Cruz, Mexico, on potted plants

of Gardenia brought from Orizaba.
12.

Lecanium tuberculatum.

Lecanium tuberculatum, Twns.

&

Ckll. Journ.

N. Y. Ent.

Soc. 1898, p. 177.

Hah. Mexico: San Antonio del Sapotal, near Frontera {Townsend).
13.

Lecanium townsendi.

Lecanium townsendi,

Hab. Mexico:
14.

Lecanium

Ckll.

Ann.

1^ xoniex?i

Lecanium
castilloae, Ckll.

& Mag.

Nat. Hist., June 1898,

p.

433L

[Townsend).

castillose.

Ann. & Mag. Nat.

Hab. Mexico: Frontera {Townsend),

Hist.,

June 1898,

p.

436.

.^.-j

'


—

LECANIUM.
15.

Lecanium nocturnum,

Ckll.

&

13

Panott,

sp. n.

Closely allied to L. phoradendri, CklL, from Arizona.

$

Scale broad-oval, moderately convex, rather rough and

.

subdorsal region with reddish-brown or dull orange

nearly 3|, height

Young

;

somewhat

dull, black, irregularly

mottled in the

Length 4

millim., breadth

or occasionally all black.

14^.

with blackish.
becomes translucent, and presents a submarginal light brown granular
(In L. phoradendri the light brown area is much
area, on which are many large rounded hyaline spots.
further from the margin, and does not show large hyaline spots, but only scattered hyaline dots.) Marginal
spines simple, very slender.
Stigmatal spines in threes, the middle (long) one 42 to 56 /x long, the others
scales are dull olive-green, usually mottled

The female

after boiling in caustic alkali

11 to 16 fx. Digitules ordinary those of claw stout, of tarsus filiform. Antennse 7-segmented. One
abnormal antenna was only 6-segmented, with segment 6 53 p long.
Newly-hatched larva (dried) olive-green, with a dark dorsal shade.
two transverse sutui\es on each side and
Scale glossy, as usual in the genus, with a faint greenish tint
(S
two at the anterior end.

The following measurements (in jj.) of i. nocturnum and L. phoradendri will be found useful
;

;

.

:

2

Antennal segments

.

L. nocturnum
L. phoradendri

2

2.

3,

4.

5.

6.

7.

36-42
33-45

42-47
42-45

42
33-42

54-56
56-73

18

17-^0

17

19

42-50
29

Trochanter and femur.

Coxa.

Legs

.

1.

165
165

99-115
115

L. nocturnum
L. phoradendri

Tibia.

Tarsus.

90-107
105

74^82
88

Claw.

16-18
24

Eab. Mexico: Alvarado in Vera Cruz, April 22, 1892, on a bush called "huele de

noche" {Townsend).

The

scales are

16.

2

.

numerous on the bark.

Lecanium

(Saissetia) inflatum, Ckll.

&

Panott,

sp. n.

11 millim. long, 7| broad, 7 high, varying to 8^ long, 6§ broad, 6^ high.
Coffee-brown of various shades, sometimes quite a pale (cafe au lait) colour, fairly shiny, more or less
powder,
smooth,
under a lens seen to be minutely and very closely spotted ; extreme

pruinose with white

Scale very convex, subglobular

;

sides inclined to be roughened or slightly malleate ; margin blackish.
Skin with the polygons of Saissetia, these almost circular, diam. 22-33 (x ; some are oval, 44 x 25 fi, with the
central gland 16 x 22 ^.
Antennse and legs rudimentary. Antennae 157 n long, short and thick, segmentation obscure, end broadly
rounded. Last segment 16 /x long, 18 broad; penultimate one 14 /x long, 24 broad; second from last

14 ;u long, 40 broad third from last 41 /x long, 66 broad. Legs thick and short, femur 59-70^ long,
70 /x at broadest tibia 42 fi long, 36 broad tarsus 28-33 fi long, 28-36 /x broad at base, 22-25 at end
claw stout and hooked, 14^ long.
Scale flattened, transparent, glassy, with a weU-defined dorsal area, crossed about the middle of the
posterior half by one suture; the usual two transverse sutures on each side from the dorsal area to
;

;

(S

.

c?

.

;

;

the margin, and the pair of anterior sutures.
Scarlet,

with strongly iridescent wings

Hab. Mexico:
*'

;

costal nervure pink.

Coatzocoalcos in Vera Cruz, April 24, 1898, on large tree called

laurel " (Townsend).

The female

scales occur

on the branches, the males on the

leaves.

This

species with the skin of a Saissetia, recalling L. verrucosmrij Signoret.

is

a globular


HEMIPTEEA-HOMOPTERA.

14
17.

Lecanium

Lecanium tolucanum.
&

[Saisseiia] tolucanum, Parrott

Hab. Mexico

Ckll. Industrialist, 1899, p. 164.

Toluca, State of Mexico, on a potato plant, Aug.

:

1,

1897 (Koebele,

1699).
18.

Lecanium

Lecanium sonorense,

Mexico

Hab.

:

sonorense.

Ckll.

&

Parrott, Industrialist, 1899, p. 161.

on

Hermosillo,

Beloperone californica^ Bentb., April

22, 1897

{Koebele, 1711).

Subgen. Toumeyella, Ckll.
19.

Lecanium

Lecanium mirabile.
mirabile, Ckll. Pyscbe, July 1895, Suppl. p. 3.

Hab. Mexico: Aguas Calientes,

May

1898, on Prosopis [Townsend).

1,

Originally described from Arizona.

Subgen. Pseudoeermes, Ckll.
20.

Lecanium armatum.

Lecanium armatum,

Hab. Mexico

:

Ckll.

Ann.

& Mag.

San Francisco

el

Nat. Hist., June 1898,

p.

436.

Eeal, Tabasco [Townsend).

Subgen. Eulecanium, Ckll.
21.

Lecanium perditum.

Lecanium per ditum,

Hab. Mexico
22.

Ckll.

Canad. Entom. 1897,

Xcolak

:

in

p.

Lecanium subaustrale.

Lecanium subaustrale, Ckll. Entomologist, 1898,

Hah. Mexico
23.

267.

Yucatan (Townsend)

:

Amecameca

p. 131.

(Koebele).

Lecanium armeniacum.

Lecanium armeniacum. Craw, Rep. California State Board of Hortic.

for

1891 (1892),

p. 197.

Hab. Mexico: Guanajuato, on peach (Duges).
I

had taken

this for a

form of L. persicw, but Mr. Pergande

finds it identical with

Californian examples of L. armeniacum^ collected by Mr. Ehrhorn.
24.

Lecanium

quercitronis.

Lecanium [Eulecanium] quercitronis, Fitch, Trans. N. Y. State Agric. Soc. 1858,

&

Hab. Mexico

June

p.

805; Cockerell

Parrott, Industrialist, April 1899, p. 232.

7,

:

Soldado Canon, Sierra Madre, State of Chihuahua, about 7000

1899, on scrub oak (Totvnsend).

feet,


;

LECANIUM.— SCHIZOCHLAMIDIA.
The specimens belong

and very convex

to a dark

15

variety, vrhich also

occurs in

Southern Arizona.

LECANOPSIS,
Lecanopsis dugesi.
Lecanopsis dugesii, Sign. & Licht. Bull.

Targ.-Tozz.

1.

Soc. Ent. France, 1886, p. xxxix.

Hah. Mexico.
This

is

a very uncertain species, never properly described.

It is said to

millim. long, 3 millim. broad, reddish-brown, covered with a white

antennae 7-segmented.

Quite possibly

it is

to 5

pellicle

Ckll.

Ceroplastodes niveus.

Fairmairia nivea, Ckll. Entomologist, 1893,

Mexico: Montezuma

ffab.

(Koebele);

This

be 4

Ceroplastodes niveus.

CEROPLASTODES,
1.

waxy

Aguas

may have

in

p.

350.

Chihuahua

(Cockerell); Mixcoac, on

Mimosa, 1897

Calientes, Jan. 5, 1891 (//. Oshorn).
to

be called Ceroplastodes dugesi (Sign.

CTENOCHITON,
Ctenochiton aztecus.
Ctenochiton aztecus, Twns. & Ckll. Journ. N.

&

Licht.).

Maskell.

1.

Hab. Mexico: Arroyo San

Y. Ent. Soc. 1898,

INGLISIA,
1.

Maskell.

Inglisia malvacearum.

Inglisia malvacearum, Ckll.

Hab. Mexico

:

Ann.

& Mag.

Morelos {Koebele)

;

Nat. Hist., June 1898,

S. mexicana.

which

is

A

p.

432.

Cuautla {Koebele).

SCHIZOCHLAMIDIA,
Type

p. 176.

Isidro, near Frontera {Townsend).

Ckll., gen. nov.

Lecaniine Coccid, lacking legs and antennae in the adult

covered by a glassy scale

;

divided into two parts longitudinally, and has not the rows of air-cells of Inglisia.

The

scale

from that of Platinglisia in being convex, and not having the peculiar dorsal groove. It is just
It may be remarked that the name Fairmairia,
like Fairmairia externally, but lacks legs and antennae.
The latter name, however, appears to be
Signoret, 1874, is a homonym of Fairmairia, Desv. 1863.
differs

obsolete.

It

of Algae.

It

it

.

at first intended to call this genus SchizocMamys, but that

may be

considered permissible to use the same generic

name

name belongs

to a

genus

in zoology and botany, but

certainly is not desirable.

1.

9

was

Schizochlamidia mexicana,

Dark brown, with

Ckll.

&

Parrott, sp. n.

large ochreous spots, shiny, about 2| millim. long and rather over

like moderately convex, covered

by a semitransparent white glassy

scale,

which

2 broad, Lecaniumtwo portions,

consists of


—

—

HEMIPTERA-HOMOPTEEA.

16

Each portion of the glassy scale has a low eminence, from which lines
and round which concentric striae run. Eemoved from the twig, the insect leaves a white mark.
Skin after boiling irregularly mottled with brown, translucent. Anal plates in a rounded opening, the
margins of which are brown (chitinous) and thickened. Median line with a longitudinal band of minute
Anal ring with six bristles. Marginal spines simple, fairly large, numerous, distance from
gland-dots.

being divided longitudinally.
radiate

one to the next varying from 33 to 115 jx.
Larva with well-developed legs; coxa 34 |u, femora with trochanter 64-98 yu, tibia 56-70 yu, tarsus 59 ju,
claw 12 fi.
S Dark reddish-brown ; wings dull hyaline, like ground glass, with a well-defined reddish costal nervure.
Length of wing 961 /i ; breadth 497 /i. Genital spike long, 282 yu.
S Scale about 1| millim. long, glassy, roughened, with no defined dorsal area nor white sutures, but a distinct
.

.

glassy cap placed dorsally at the hinder end.

Eah. Mexico: Vera Cruz

(city),

are inhabited by stinging ants

Mimosa with

April 28, 1898, on

{Pseudomyrma,

sp.)

big thorns which

{Townsend).

be remarked that there are two types of male scale among the Lecaniinse
Lecanium and that of ScMzochlamidia, LecanocJiiton, and Ctenochiton. In the
there is a well-defined dorsal area, from which radiate transverse sutures, and

It is to

that of
first

there

is

lacking.

no cap

end; in the second there

at the hinder

is

a cap, and the dorsal area

is

This difference, combined with certain peculiarities of the female, might be

The following

held to indicate two tribes, to be called Lecaniini and Ctenochitonini.
notes will assist in the further elucidation of this matter

:

Ctenochitonini.
Cryptes, having the cap,

Ceroplastodes dalece, Ckll.

wiU

J

:

fall in this series,

like the rest of the surface,

Ceroplastodes niveus, Ckll.

forming a narrow

V

:

;

d"

though the S scale

is

scale glassy, strongly tuberculate all over

and

its

suture

is

more or

;

the glassy cap exists, but

is

tuberculate

hardly discernible.

scale also very rough,

these are also

peculiar.

but the cap

is

very distinct, and has on

it

two whitish

lines

less discernible in C. dalece.

Lecaniini.
PalviTUiria paradelpha, Ckll.

Lichtensia lutea (Ckll.)

:

S

&

Lidgett,.

has a Lecanium-like

scale,

but with more sutures.

scale glassy, transparent, Lecanium-like,

but the dorsal area convex,, and only one

pair of lateral sutures, those on the posterior half.

Lecanium strachani,

Ckll.

:

S

scale has the dorsal area so

narrow

as to

be practically a single ridge, the trans-

verse sutures obliterated, and a vaguely indicated small cap.
peculiar species tends towards the Ctenochitonini.

Thus both in the male and female
(Eor the 2 see Ehtom. xxxi, p. 259.)

VINSONIA,,
1.

Vinsonia

?

Sign..

stellifera.

Vinsonia stellifera (Westwood), Douglas, Ent. Monthly Mag., Dee. 1888> p. 152.

Hab. Central America.

Mr. Alex. Craw found

this

on an orchid from Central America,

locality

unknown.

this


;

CEEOPLASTES.

CEROPLASTES,
1.

17

Gray.

Ceroplastes floridensis.

Ceroplastes floridensis, Comstock, Rep. U. S. Dept. Agric. for 1880, p. 331.

Hah. Mexico: Balantam

in

Yucatan (Townsend);

orange and mango (Townsend);

Nuevo, April 29, on orange (Townsend)
(Townsend)

;

Panama

:

Minatitlan, April 25, 1898, on

Cordova, April 29, on
;

mango (Townsend); Paraje
Mcus laurifoUa

Frontera, Febr. 28, 1897, on

outskirts of the city, on

mango, akee, guava, and lime-trees

(Bolhy-Tyler).

2.

Ceroplastes cirripediformis.

Ceroplastes cirripediformis, Comstock, Rep.

U.

S. Dept. Agric. for 1880, p. 333.

Hah. Mexico.
Specimens from San Rafael, Vera Cruz (Townsend), not seen by me, have been
referred with doubt to this species.

3.

Ceroplastes mexicamis.

Ceroplastes mexicanus, Ckll. Bull. 4, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1896) p. 34.

Guaymas, San Luis Potosi and
Hah. Mexico
Guanajuato, on Duranta plumieri (Luges),
:

4.

Tehuantepec

city

(Townsend)

Ceroplastes irregularis.

Ceroplastes irregularis, Ckll. Entomologist, 1893, p. 351.

Hah. Mexico: Montezuma in Chihuahua
Also found in

New

(CoekerelT).

Mexico, and even north to Salida, Colorado (Bethel, specimens

sent by Gillette).

5.

Ceroplastes cistudiformis.

Ceroplastes cistudiformis, Ckll.

Hah. Mexico

:

&

Twns. Zoe, 1893,

Guanajuato (Duges)

;

p. 104.

Tampico (Townsend)

;

Morenas, Oct. 18, 1897

(Koehele, 1569).

Also found at Clairmont, California, on a pepper-tree (A,

J. Cook, in coll.

U.

S.

Dept. Agric).

6.

Ceroplastes roseatus.

Ceroplastes roseatus, Twns.

&

Ckll. Journ.

Soc. Lond. 1899, pp. 277-280,

Hah. Mexico:

El Cuyo

t.

del

N. Y. Ent. Soc. 1898,

p.

177 ; Dolby-Tyler, Trans. Ent.

8.

Chicosapote,

near Frontera

(Townsend);

(Dolhtf-Tyler).

BIOL. CENTE. AMEE.,

Rhynch. Homop., Vol.

II. Pt. 2,

Decemher 1899.

t3

Panama


HEMIPTEEA-HOMOPTEEA.

18

The Mexican

locality is

taken from the label, but Prof. Townsend thinks

it

should be

Arroyo San Isidro.

Ceroplastes minutus.

7.

Ceroplastes minutus, Ckll.

Hal. Mexico

8.

Ann. & Mag. Nat.

Hist.,

June 1898,

p. 434.

Las Minas in Tabasco {Townsend).

:

Ceroplastes angulatus.

Ceroplastes angulatus, Ckll.

Ann.

& Mag,

Nat. Hist., June 1898, p. 434.

Edb. Mexico: Yxonievo. [Townsend).

9.

Ceroplastes coloratus.

Ceroplastes coloratus, Ckll.

Ann.

Hah. Mexico: Las Minas

10.

5

C

in

Nat. Hist., June 1898,

p.

435.

Tabasco (Tbwwsew^Z).

Ceroplastes townsendi,

Ckll., sp. n.

C

ceriferus or G. dugesi ; wax like that of
6 millim, long, 5 broad, 3 high, flatter than that of
On .the under
ceriferus, yeUowish-white, without plates or coloured nuclei; no lateral white stripes.

Waxy

.

& Mag.

scale

surface the wax shows very broad bands of chalk-white secretion.
long, 2 broad ; horn well developed, but hardly half the length of the female.
ceriferus.
high blunt dorsal longitudinal crest, which is quite absent in C. dugesi and
Antennae 6-segmented, 4 longest, Claw-digitules with very large knobs. Margin with capitate spines.
The following table separates O. townsendi from its two nearest allies

Denuded female 3 millim.

C

A

:

A. Antennae 6-segmented.
a. Segment 3 longest ; dorsum

of denuded female smooth and rounded
Segment 4 longest ; dorsum of denuded female cristate
B. Antennae 7-segmented, 4 longest ; dorsum of denuded female smooth

ceriferus.

townsendi.

6.

Hah. Mexico

:

Arroyo San Isidro, near Frontera, Tabasco,

dugesi.

May

27, 1897, on bark of

trunk of small shrub with lanceolate-ovate leaves (Townsend: Div. Ent. 7611).
Allied to C. ceriferus and C. dugesi, but differs in the small depressed scale and in

the antennae.

11.

Ceroplastes dugesi.

Ceroplastes dugesii, Townsend, Zoe,

Hah. Mexico

:

iii.

pp,

Cuautla (Townsend)

255-257 (1892),
;

San Rafael

in

Vera Cruz (Townsend)

;

Guana-

juato (Duges).
Lichtenstein briefly noticed, but did not describe, this species in Bull. Soc. Ent.
France, 1885, p,

cxli.

This includes what has been recorded as

C. ceriferus (Anders.), Signoret.


CEEOPLASTES.—PULVINAEIA.

19

Ceroplastes albolineatus.

12.

Ceroplastes albolineatus, Ckll.

Hah. Mexico: Cuautla,

Entom. News, 1894,

May

p. 157.

31, 1897, on Fuchsia {Koehele: Div. Ent. 7612).

The two lateral white stripes at once separate this pink
The fourth antennal segment was long in these specimens, as

LICHTENSIA,
1.

Sign.

Lichtensia lutea.

Pulvinaria

lutea, Ckll.

Hah. Mexico

Ann.

& Mag.

Nat. Hist., July 1893,

Colima, on wild

:

5229); Vera Cruz
2.

species from G. roseatus.

in the original types.

fig

{Dr.

Palmer

:

p. 51.

Div. Ent., U. S. Dept. Agric.

coll.

{CocJcerelT).

Lichtensia crescentiae.

lAchtensia crescentia, Ckll. Ann.

& Mag.

Nat. Hist., June 1898,

p.

435.

Hah. Mexico: Fionteisi (Townsend). Also a slight variety on "achote," El Cuyo
Div. Ent. 7842).
del Chico Sapote, Tabasco, June 18, 1897 (Townsend
:

3.

Lichtensia mimosde.

Lichtensia mimosce, Twns.

Hah. Mexico

:

&

Ckll. Journ.

N. Y. Ent. Soc. 1898,

PULVINARIA,
1.

p. 175.

Las Minas, near Frontera {Townsend).
Targ.-Tozz.

Pulvinaria simulans.

Pulvinaria simulans, Ckll. Journ. Trinidad Field-Nat. Club, 1894, p. 310.

Hah. Mexico

:

Monterey in Nuevo Leon {Townsend),

Specimens from Tehuantepec city, doubtfully referred to P. camellicola, but not seen
by me, are probably P. simulans. They were collected by Townsend.
2.

P

.

Pulvinaria parvula,

Ckll., sp. n.

Scale dark reddish-brown ; ovisac white, firm, closely
Scale about 3 millim. long, with ovisac 5^ millim.
ferruginous, having much the shape
woven convex in a transverse direction, not ribbed. Immature female

of Lecanium hesperidum.

2

.

Adult.

Marginal spines simple,

fairly large,

numerous, distance from one to the next about equal to the

Coxa 331 /x;
after boiling colourless and transparent.
length of one; length of a spine 33 /x. Skin
tarsal digitules filiform, 66 fi ; claw-digitules
femur and trochanter 397 ; tibia 232 ; tarsus 108 ; claw 33
measuring thus in fi :--(l) 50, (2) 50,
expanded to a large knob. Antennae 9-segmented, segments
;

48, (8) 33, (9) 50.
(3) 116, (4) 83, (5) 50, (6) 33, (7)

Hah. Mexico

:

Cuautla, July

2,

1897, on Mimosa^

sp.

{Koehele, 1729

:

7921).

Readily

known by

its

small size and 9-segmented antennae.

t3 2

Div. Ent.


HEMIPTERA-HOMOPTEEA.

20

CONCHASPINjE.

CONCHASPIS,
Oonchaspis angrsBci,

1.

Conckaspis angreeci, var.

Hah. Mexico

hibisci,

CkU.

var. hibisci.

CkU. Bull.

4,

Techn. Ser., Div. Ent., U. S. Dept. Agric. (1896)

p. 36.

Tampico (Townsend).

:

Oonchaspis newsteadi.

2.

Conckaspis newsteadi, CkU. Canad. Entom. 1897, p. 270.
ffah.

Mexico

Vera Cruz (Townsend).

:

DIASPIN^.
ASPIDIOTUS, Bouche.
Subgen. Evaspidiotus, Leonard!.
1.

Aspidiotus hederaB.

Chermes hedercB, Vallot, Seance Acad. Dijon, 1829,

Hob.

Mexico

[Townsend)

{Townsend)
April

30,

;

;

:

Aguas Calientes {Townsend)
Morelia, on " trueno," Dec.

1898 {Townsend).

{Townsend)', Eancho

The
2.

5

.

$

.

var.

{Townsend)

Guadalajara

(?),

Var.

2,

nerii

Guaymas, April

has the female scale

;

p. 32.

Oaxaca (Koehele)

;

;

Chihuahua

San Luis Potosi {Townsend)

1897 {Townsend)
(Bouche):

27,

;

Mexico

Mexico

city,

city,

city

Matamoros

;

on " trueno,"

April

30,

1898

1897 {Koehele).

vs^hite.

Aspidiotus vagabundus, CkU.,

sp. n.

Scale about 1^ millim. diam., circular, very slightly convex, very pale ochreous, or greyish from a coating
of extraneous particles ; exuviae halfway between the centre and the margin, marked by a concolorous boss,

when rubbed shining straw-colour.
Four groups of circumgenital glands anterior laterals of 6 to 8, posterior laterals of 5 to 7. Three pairs
median lobes considerably the largest, separated by a rather
of lobes, all short, and rounded at the ends
wide interval, in which are two fimbriated squames second and third lobes quite small, considerably
there are four especially long squames just
shorter than the squames, which are strongly fimbriated
beyond the third lobe, aU deeply serrated on their outer margin spines fairly well developed no glandular
;

;

;

;

;

processes at the base of the lobes or in the interlobular intervals

;

;

anal orifice some distance from the

hinder end.

Aspidiotus vagabundus, Ckll.

Bab. Mexico; Mexico

city,

on bark of ash, April 30, 1898 {Townsend).


.

ASPIDIOTUS.
It is hardly possible that this is a native of

group, and apparently comes close to

21

Mexico, as

Mask ell's A.

it

belongs to an Old- World

Prof. E.

dysoocyli.

Henry

{'

Feuille

des Jeunes Naturalistes,' June 1898) has indicated an Aspidiotus fraxini from Europe

but

proves that the

it

name

vras

based on a Mytilaspis.

Subgen. Diaspidiotus (Berl.

&

Leon.), Ckll.

Aspidiotus townsendi.

3

Aspidiotus townsendi, Ckll. Bull. 4, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1896) p. 33.

Hob. Mexico: Ciudad Porfirio Diaz {Townsend).
Also occurs at Phoenix, Arizona, on Fraxinus
4.

Aspidiotus jatrophse.

& Ckll. Journ.
& Ent. Iowa Agricultural College,

Aspidiotus jatrophcB, Twns.
Zool.

N. Y. Ent. Soc. 1898,
no. 3 (1899), p. 23, figs.

Hah. Mexico: Frontera {Townsend).
convex

scale, Frontera,

p.

178

;

Newell, Contr. Dep.

5, 6.

Also a variety with lateral exuviae and a

on " barenjeno chiquito," June

Mr. Wilmon Newell has proposed the

The

{CocJcerell).

9,

1897 {Townsend)

;

for this

\i2ime parrotti.

variety could be taken for A. crawi, but

it

has not the circumgenital glands of

more convex, lighter, with
Ometusco, April 29, 1898, on a malvaceous shrub or tree called
" malvon," with crimson flowers {Townsend). Also this species on " chaya," Jatro;pha,
sp., Minatitlan, April 25, 1898 {Townsend).
Also a variety with the scale a

that species.

more

little smaller,

lateral exuviae,

5.

Aspidiotus subsimiHs.
& Mag.

Aspidiotus subsimilis, Ckll. Ann.

Hah. Mexico

:

Cuautla {Koehele)

A^idiotus

6.

Nat. Hist., Febr. 1899, p. 168.
;

Hermosillo {Koehele).

subsimilis, Ckll.

From. Cuautla.

Aspidiotus cyanophyUi.

Aspidiotus cyanophyUi, Sign. Essai sur les Cochenilles, p. 93 (1869)

Hah. Mexico Mazatlan, found by Mr. Craw on coco-nuts from that place ; Orizaba,
Mexico city, April 30, 1898, on a liliaceous
April 29, 1898, on "trueno " {Townsend)
:

;

plant called

'*

hiburnio " (TowwseweZ).

HEMIPTEEA-HOMOPTEEA.

22

Described by Signoret from specimens found upon Cyanophyllum magnificum^ a
Venezuelan plant introduced into Europe.
Sect.
7.

Hemiberlesia, Ckll.*

Aspidiotus cydonisB.

Aspidiotus cydonics, Comst. Rep. U. S. Dept. Agric. for 1880, p. 295.

Eah. Mexico: Frontera, on "China tree" (Townsend); Vera Cruz, April 23, 1898,
on " huasimo," a tree {Townsend).
According to Marlatt, A. cydonice

is

conspecific with A. lataniw.

I

am not at present

able to decide whether the differential characters are varietal or specific.
8.

Aspidiotus crawi.

Aspidiotus crawii, Ckll. Bull. 6, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1897) pp.

5, 8, 9, 23.

Hah. Mexico: Frontera {Townsend); Tlacotalpam, April 21, 1898, on a wild tree
called '* amate," with trueno-like leaves, rounded at the end {Townsend).
9.

Aspidiotus tricolor.

Aspidiotus tricolor, Ckll. Canad. Entom. 1897, p. 266.

Hah. Mexico
10.

:

near Salina Cruz {Townsend).

Aspidiotus palmse.

Aspidiotus palm(B, Morg.

Hah. Panama
11.

$

:

whitish boss, which
film.

Ckll. Ent.

Aspidiotus lucumse,

Scale suboval, about 1|

.

&

In young

Monthly Mag. 1893,

pp. 40, 80.

outskirts of the city {Dolby-Tyler).
Ckll., sp. n.

by 1

millim., fairly convex, pale yellowish, very rough, the exuviae forming a
is apical but not central.
Eemoved from the bark, the scales leave a distinct white

scales the exuviae exhibit a white dot

and

ring.

Aspidiotus lucumce, Ckll.

2

.

No group

of circumgenital glands.

large anal orifice at their base.

Only one

distinct pair of lobes

The second lobe

is

;

these large, close together, with the

represented by a minute lobule, easily overlooked.

On Sept. 28, 1899, Mr. Alex. Craw quarantined at San Francisco some fruits of pomegranate, believed,
but not certainly known, to come from Mazatlan.
On them were Aspidiotus rapax, Comst., and Ohrysomphalus
aurantii (Maskell).

This

is

the only evidence for the occurrence of these species in Mexico.


ASPIDIOTFS.

23

Spines and squames well developed, the latter strongly fimbriate.
lerlesia this species

works down

the form of the scale.

Eah. Mexico

:

It differs

In Leonardi's table (1897) of EemiA. camelUce (i. e. rapax), from which it may be separated at once by
from A. cupressi by having the median lobes close together.

to

Esperanza, April 29, 1898, crowded on the bark of a

Mammea

Sapota

tree (Townsend).

12.

Aspidiotus,

Hah. Mexico

:

sp.

of Chihuahua, on Melia azedarach,

Juarez, State

March

6,

1899

(P. /. Parrott).

Also occurs at Deming,

New

Mexico, on Populus {Cockerell).

This species agrees well with the description of A. convewus, Comst. (Eep. U. S. Dept.
Agric. for 1880, p. 295), but I am informed by Mr. C. L. Marlatt that it is different.

He

will shortly publish a description of

13.

elsewhere.

it

Aspidiotus cupressi.

Aspidiotus cupressi, Ckll. Ann.

Hab. Mexico

:

& Mag.

Nat. Hist., Febr. 1899, p. 168.

Toluca, on Cwpressus [Koehele).

Mi'

WA:

Aspidiotus cupressi, Ckll.

14.

Aspidiotus lataniae.

Aspidiotus latanice, Sign. Essai sur les Cochenilles, p. 98 (1869).

Aspidiotus greenii, Ckll. Bull. 6, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1897) p. 37,

Aspidiotus cydoniae, Green, Coccidse of Ceylon, pt.

Edb.

Mexico:

El Cuyo

del

Chico

i.

p.

fig. 7.

46 (nee Comst.).

Sapote,

Tabasco

{Townsend);

Mexico

city

{Townsend).

Subgen. Taegionia, Sign.
15.

Aspidiotus yuccae.

Aspidiotus yucca, Ckll. Bull. 4, Techn. Ser., Div. Ent., U. S. Dept. Agric. (1896) p. 32.

Edb. Mexico

:

Ciudad Porfirio Diaz {Townsend).
Subgen. Mtcetaspis, Ckll.

16.

Aspidiotus personatus.

Aspidiotus per sonatus, Comst. 2nd Rep., Dept. Ent., Cornell Univ. Exp. Sta. (1883) p. QQ.

Eah. Mexico: Acapulco (found on a coco-nut palm from thence) {Craw); Colima
Minatitlan, April 25,
FrouteYSi {Townsend)

(found on an orange from thence) {Craw)

1898, on

mango {Townsend).

;

;

HEMIPTEEA-HOMOPTEEA.

24

Subgen. Selenaspidus, Ckll.

Aspidiotus articulatus.

17.

Aspidiotus articulatus, Morgan, Ent. Monthly

Mag. 1889,

p.

352.

Hab. Mexico: Tampico, San Kafael, Laguna, Izamal, and Balantam (Townsend);
Vera Cruz ( Cocker ell) Tlacotalpam, April 20, on"limon real," and April 21, on
;

orange (Toivnsend)

;

Minatitlan, April 25, 1898, on Citrus (Townsend)

;

Paraje

Nuevo

Vera Cruz, April 29, 1898, on orange (Townsend); Cordova, April 29, 1898, on
mango (Townsend); Soledad in Vera Cruz, April 29, 1898, on tree called " guayado"

in

or

"guayano" (Townsend).

Panama: on Gardenia (Dolly-Tyler),

Subgen. Pseudaonidia, Ckll.
[Bull. 6, Teclin. Ser., Div. Ent.,

18.

Dep. Agric.

p.

14 (1897).]

Aspidiotus tesseratus.

Aspidiotus (Diaspidiotus) tesseratus, de Charmoy, Proc. Soc. Amicale Sclent. (Mauritius), 1899,
p. 23, t. 1. figg. 2,

$

.

2 a-c.

Scale circular to oval, about 3 millim. diam., slightly convex, dull dark sepia-brown,

with black and whitish particles

5

.

Dark brown when

dried

;

more

A

thick ventral film.

after boiling in caustic soda transparent,

with lobes, mouth-parts, and interlobular

processes dark brown, and a large reticulated space in the anal region light yellow.

segmentation well marked

;

Median lobes

Pour

pairs of lobes,

largest, close together,

and a small pointed process repre-

but not contiguous, broad, equilateral, notched

on each

side.

Second and third lobes with the outer side oblique and notched.

large.

Many

small dorsal glands.

Hal. Mexico

:

Perm suboval,
No circum-

thorax with a deep constriction as in A. trilohitiformis, Green.

genital glands, even in females full of embryos.

senting a fifth lobe.

or less encrusted

exuviae about halfway between the centre and margin, or sometimes

;

nearly central, marked by a shining ferruginous boss.

Four lobes pointed.

Spines

Coatzocoalcos in Vera Cruz, April 24, 1898, on " tulipan," Malva-

viscus, sp. (Townsend).

—Mauritius.

Aspidiotus tesseratus, de Cbarm.

Allied to A. duplex, CkU., but easily

known by

From

Coatzocoalcos.

the absence of circumgenital glands.

Since the above description was written, specimens of the same species have been
received from Mr.

Doubtless this

is

d'Emmerez de Charmoy, who found

much

nearer

its

it

on the grape-vine in Mauritius.

original locality than Mexico.