September, 1941 
Dozier & Mohr, on Corylus sp..9¢,59. 
WILLow Sprincs: June 28, 1903, W. J. 
Gerhard, 12,29, FM; June 26, 1904, W. 
J. Gerhard, 1g, Fm; July 8, 1906, W. J. 
merard, 19, FM; July 18, 1909, A. B. 
Wolcott, 1 ¢, FM. 
Ceratocapsus lutescens Reuter 
Ceratocapsus lutescens Reuter (1876, p. 87). 
Not taken in Illinois; known from Flor- 
ida, Kansas, Long Island, New York, Texas. 
Ceratocapsus nigrocephalus Knight 
Ceratocapsus nigrocephalus Knight (1923d, 
p. 534). 
Not taken in Illinois; known from lowa, 
Michigan, Minnesota, New Hampshire, 
Ontario, Quebec, South Dakota. 
Ceratocapsus modestus (Uhler) 
Melinna modesta Uhler (1887c, p. 69). 
Mave.—Length 4.00, width 1.40. Gen- 
eral color yellowish brown to dark fuscous 
brown. Dorsum impunctate, surface very 
finely alutaceous; scutellum, clavus and 
inner apical margin of corium beset with 
a few long erect hairs, but devoid of closely 
appressed, sericeous pubescence. Genital 
claspers as in fig. 134. 
Femace.—Length 4.40, width 1.70. Simi- 
lar to male in general color. 
Foop PrLants.— Occurs on _ basswood 
(Tilia americana), oak (Quercus sp.), alder 
(Alnus rugosa) and grape (Vitis sp.). 
KNown DiIstrRIBUTION.—Extensive over 
the eastern United States. 
Illinois Records.—Thirty males and 22 
females, taken June 24 to Sept. 4, are from 
Algonquin, Antioch, Argo, Cary, Chicago, 
De Soto, Eichorn, Fox Lake, Galesburg, 
Glen Ellyn, Havana, Pulaski, Starved Rock 
State Park, Urbana, Waukegan, West Puli- 
man, Willow Springs. 
Ceratocapsus nigellus Knight 
Ceratocapsus nigellus Knight (1923d, p. 528). 
This resembles the dark forms of mo- 
destus (Uhler), but is readily distinguished 
by the pubescence of the scutellum. 
Mave.—Length 4.50, width 1.70. Anten- 
nae clothed with short, closely set pubes- 
cence; dark reddish brown to blackish. Pro- 
notum alutaceous, finely and sparsely pu- 
KNIGHT: PLANT Bucs, or MirIDAE, OF ILLINOIS 
GR 
bescent, a few, more nearly erect hairs also 
present. Scutellum, clavus and basal half 
of corium clothed with closely appressed, 
scalelike pubescence sparsely intermixed 
with simple pubescence. General color very 
dark brown, almost black; cuneus frequently 
more reddish brown; tibiae yellowish brown. 
Membrane and veins uniformly fuscous, 
area bordering apex of cuneus slightly paler. 
Genital claspers as in fig. 134. 
FEMALE.—Length 4.60, width 1.84. Very 
similar to male in color and pubescence. 
Hasits.—Collected on hickory (Carya 
sp.), the nymphs frequently found on the 
trunk and larger limbs of the trees; perhaps 
predacious. 
Known DIstriBuTION. — Georgia, I[Ili- 
nois, Iowa, Maryland, Minnesota, New 
Jersey, New York, North Carolina, Ohio, 
Virginia. 
Illinois Records.—Nineteen males and 
22 temales, taken June 1) to»Aus. 9) are 
from Galena, Galesburg, La Rue, Monti- 
cello, Oakwood, Round Lake, Shawneetown, 
Urbana, Waukegan, White Pines Forest 
State Park, Zion. 
Ceratocapsus luteus Knight 
Ceratocapsus luteus Knight (1923d, p. 527). 
Mace.—Length 3.80, width 1.46. Anten- 
nae with first segment yellowish, second 
yellowish, brownish on apical half, third 
fusco-brownish, fourth very dark brown. 
Pronotum impunctate, somewhat alutaceous. 
Dorsum clothed with very fine, simple, yel- 
lowish pubescence, intermixed with closely 
appressed, silvery, scalelike pubescence on 
scutellum, clavus and inner half of corium. 
General color uniformly yellowish, tinged 
with brownish; membrane uniformly pale 
fumate, veins tinged with yellowish. Clasp- 
ers as in fig. 134. 
FEMALE.—Length 4.00, width 1.64. Very 
similar to male in color and pubescence. 
Known DistrisuTtion. — Illinois, New 
York, West Virginia. 
Illinois Record.—BeEacH: Aug. 7, 1935, 
DeLong & Ross, 1¢,1¢9. 
Ceratocapsus taxodii Knight 
Ceratocapsus taxodii Knight (1927c, p. 143). 
This species is allied to Juteus Knight but 
is distinguished by its smaller size, longer 
second antennal segment, and yellow anten- 
nae with a reddish fourth segment. 
