September, 1941 
bristles; second, 3.00, very dark brown, 
with a pallid band at base and another, nar- 
row one at middle; third, 1.69, black, pallid 
only at base; fourth, 1.30, black. Pronotum, 
length 1.16, width at base 1.90. Dorsum 
clothed with rather short, recumbent, black 
pubescence intermixed with yellowish to 
golden, silky hairs. General coloration 
black, with small, light-colored spots on 
embolium, between calli, on apical area of 
corium, and a narrow, pale area at base of 
cuneus. Membrane almost colorless, thick- 
ly and rather uniformly marbled with fusco- 
brownish. Legs black; hind femora with a 
few small, light spots; entire coxae light 
colored, except at bases; tibiae with two 
pallid bands, those of hind pair becoming 
obsolete, spots and spines of tibiae almost 
white. Genital claspers distinctive, fig. 175, 
a small tubercle present above base of each 
clasper. 
FEMALE.—Length 6.80, width 2.50. More 
robust than male, but very similar in color 
and pubescence. 
Hasits.—Predacious. In Minnesota, I 
collected a series of nymphs and adults on 
the bark of sugar maple (Acer saccharum) ; 
both nymphs and adults were well concealed 
as they crouched in crevices of the bark, ap- 
parently awaiting their prey. 
KNown DistripuTION.—Connecticut, 
Illinois, Iowa, Maryland, Minnesota, Mis- 
souri, New Jersey, New York, Ohio, On- 
tario, Texas, Wisconsin. 
Illinois Records.—NortTHERN ILLINOIS: 
m july, 19. Atconourn: 1,2 ; June 5, 
1895, 1 ¢. Fox Lake: June 10, 1936, Ross 
& Burks, 29. GaALessurcG: June 21, 1892, 
ma) URBANA: May 31, 1889, C. A. Hart, 
9 . 
Phytocoris tuberculatus Knight 
Phytocoris tuberculatus Knight (1920, p. 64.) 
Mare.—Length 6.50, width 2.10. Head 
width 1.10, vertex 0.39; lower half of head 
white ; very dark brown across base of tylus; 
frons with oblique dark lines. Rostrum, 
length 3.42, extending to sixth abdominal 
Sternite. Antennae, first segment, length 
1.51, black, dorsal aspect with several 
smooth, white spots; second, 3.12, black, 
pallid at base, a yellowish annulus at middle, 
this band sometimes nearly obsolete; third, 
1.86, black, pallid at base. Pronotum, length 
1.16, width at base 1.95. Dorsum clothed 
with short, black pubescence intermixed with 
KNIGHT: PLANT Bucs, or MirIpDAE, OF ILLINOIS 
187 
pale yellowish, silky hairs. General color 
fuscous to black; pronotum and scutellum 
with paler areas; embolium with small pal- 
lid spots. Membrane fuscous, paler areas 
stippled with small fuscous dots. Legs black, 
coxae light colored, hind femora with an 
oblique white band near apex and a few 
small, pallid spots an apical half. Genital 
claspers, flagellum, long tubercle above base 
of left clasper, and shorter one above right 
clasper, distinctive for species, fig. 175. 
FEMALE.—Length 6.90, width 2.55. More 
robust than male; very similar in coloration, 
but dorsum often lighter in color. 
Hasirs.—Collected chiefly at lights. 
Known DistrisuTion. — Illinois, Indi- 
ana, Michigan, Missouri, New York, North 
Carolina, Oklahoma, Texas, Wisconsin. 
Illinois Records. — Gatesspurc: | 2. 
UrBANA: June 20, 1909, 1 @. 
Phytocoris davisi Knight 
Phytocoris davisi Knight (1923d, p. 624). 
Not taken in Illinois; known only from 
New Jersey and New York. 
Phytocoris purvus Knight 
Phytocoris purvus Knight (19274, p. 17). 
This species is allied to minutulus Reu- 
ter, but differs from it in the shorter first 
antennal segment, the black second anten- 
nal segment with a narrow, pale annulus at 
base only, in the larger eyes and narrow 
vertex, the distinctive subapical marks on 
the scutellum, and the structure of the male 
genital claspers. 
Mave.—Leneth 5.50, width 1.90. Head 
width 1.05, vertex 0.22; eyes large and 
prominent, vertex chiefly almost colorless, 
frons with six transverse dark lines, ventral 
area of frons and tylus black, a V-shaped 
white mark on basal half of tylus, juga white 
with a transverse black mark on dorsal half, 
lora black with a light-colored area on lower 
margin which joins the similarly colored 
areas on the much reduced genae and gula. 
Rostrum, length 2.60, extending to fifth ab- 
dominal sternite, pale yellowish with apex 
very dark brown. Antennae, first segment, 
length 1.11, only slightly greater than width 
of head, black, with ventral side light, black 
area broken by several white spots, a white 
seta arising from each spot; second, 2.80, 
black, narrow pale area at base; third, 1.45, 
