206 
lowish, black at apex. Antennae, first seg- 
ment, length 1.00, reddish yellow, pubes- 
cence and spines pale yellowish; second, 
2.42, uniformly yellowish; third, 0.91, yel- 
lowish; fourth, 1.57, yellowish. Pronotum, 
length 0.70, width at base 1.00; deep red, 
becoming almost black at anterior angles 
of disk; calli fuscous and red with almost 
colorless ray or spots behind each callus, 
basal margin with a slender, light colored 
area except at basal angles; propleura deep 
red, lower margins and xyphus pallid; 
clothed with yellowish to dusky pubescence ; 
disk also with yellowish, silky pubescence. 
Scutellum red, basal angles and apex pallid; 
vague, light colored, median line present. 
Sternum and pleura dark red, ostiolar peri- 
treme, and ventral margin of epimera, white. 
Hemelytra red, with many irregular, small 
to medium-sized spots; cuneus with pale 
spots on inner margin and across middle; 
hemelytra clothed with yellowish to dusky 
pubescence, intermixed with yellowish, silky 
pubescence which may be white over light 
spots. Membrane uniformly pale smoky, 
veins red. Legs pallid to yellowish; anterior 
femora reddish yellow at apices; tibiae with 
annulations; hind femora red, pallid at 
bases, with rather numerous, small, pallid 
spots although at times these spots nearly 
obsolete; hind tibiae with small red marks 
near bases; tips of tarsi fuscous. Venter 
white beneath, latero-dorsal margin deep 
red; each sternite with small spot of red 
laterally; eighth segment and base of genital 
segment dark fusco-reddish. Genital clasp- 
ers and flagellum distinctive, fig. 179. 
FEMALE.—Length 5.50, width 2.03. Head 
width 0.90, vertex 0.34. Antennae, first seg- 
ment, length 1.25; second, 3.16; third, 1.51; 
fourth, 1.30. Pronotum, length 0.86, width 
at base 1.60. More robust than male, but 
very similar in color and pubescence. 
Hasits.—Collected on oak (Quercus 
sp.) and red birch (Betula nigra). 
KNown DistriBUTION.—Connecticut, 
_ District of Columbia, Illinois, Kansas, 
Maryland, Massachusetts, Mississippi, New 
Jersey, New York, North Carolina, Ohio, 
Pennsylvania. 
Illinois Records. — AsHLery: Aug. 7, 
1917, 29. Dotson: June 25, 1932, Rocky 
Branch, Frison & Mohr, 1 ¢. Dusots: Aug. 
8, 1917, 19. FarrFiecp: June 12, 1934, De- 
Long & Ross, 1 ¢. GALENA: June 30, 1932, 
on Quercus sp., Dozier & Mohr, 12. 
GALESBURG: June 27, 1893, 1 @. Harris- 
Itt1ino1s NAturAL History SuRVEY BULLETIN 
Vol. 22, Art. 1 
BURG: June 25, 1932, on Betula nigra, Ross, 
Dozier & Park, 2¢. Oakwoop: June 14, 
1930;) 1..°H. Erison; er 
Phytocoris venustus Knight 
Phytocoris venustus Knight (1923d, p. 651). 
Mate.—Length 4.50, width 1.60. Head 
width 0.86, vertex 0.28; head orange colored 
above; spot on either side of vertex and one 
at base, two spots on median line of front, 
and base of tylus, light colored; lower half 
of head pallid; base of juga, dorsal margin 
of lora, and irregular band across middle 
of tylus, bright red. Rostrum, length 2.00, 
reaching sixth abdominal sternite, yellow- 
ish, black at apex. Antennae, first segment, 
length 0.97, pale yellowish, darker at apex, 
setae pale; second, 0.80, uniformly yellow- 
ish; third, 1.34, yellowish; fourth, 1.16, yel- 
lowish. Pronotum, length 0.68, width at 
base, 1.37; pale, with two orange stripes 
behind either callus, outer stripe continued 
around callus and extending to anterior 
angle and collar; small orange spot before 
callus; collar orange red; propleura with 
red ray crossing lower half of coxal cleft, 
but not extending to posterior margin; 
clothed with moderately prominent, yellow- 
ish pubescence, this more prominent laterally 
and on scutellum and clavus. Scutellum 
orange red to deep red; basal angles and me- 
dian line more or less pale. Sternum and 
pleura pallid, red areas on mesosternum and 
metepisternum; ostiolar peritreme white. 
Hemelytra yellow, with clavus and basal 
half of corium and embolium red, but with 
many, pale yellowish spots, these spots form- 
ing a large triangular area before cuneus; 
embolium sometimes with small red flecks 
on apical half; cuneus, and part of corium 
extending beyond cuneal fracture, red; out- 
er margin of cuneus with four yellow spots, 
these sometimes almost confluent. Mem- 
brane smoky to pale fuscous, slightly paler 
on apical half, veins red, usually pale at 
apices of areoles. Legs pale to yellowish, 
fore femora with red flecks at apices; hind 
femora with netlike, bright red markings, 
these somewhat broken at middle of apical 
half by a yellowish area; hind tibiae with 
reddish spots near base. Venter yellowish, 
with red flecks along dorsal margin; genital 
claspers and flagellum distinctive for spe-_ 
cies, fig. 179. 
FEemMALE.—Length 4.70, width 1.90; more 
robust than male, but very similar in color- 
