180 
cous hairs; femora with several prominent, 
bristlelike white hairs, much as in gledit- 
siae Knight; tibiae with several yellowish, 
setose hairs which may be longer than true 
spines, but these spines much thicker and 
brown in color. 
FEMALE.—Length 6.00, width 2.60. Head 
width 1.14, vertex 0.56. Antennae, first 
segment, length 1.04; second, 2.03; third, 
0.95; fourth, 1.29. Pronotum, length 1.34, 
width at base 2.12. Slightly more robust 
than male, but very similar in pubescence 
and coloration. 
Host Piant.—Hackberry trees (Celtis 
occidentalis ). 
Known DistripuTion. — Illinois and 
Iowa. 
Illinois Records.—ILiinois: 19. Ur- 
BANA: July 16, 1932, C. O. Mohr, 19. 
Paracalocoris gleditsiae Knight 
Paracalocoris gleditsiae Knight (19267, p. 
370). 
This is allied to colon (Say) by key 
characters and it is distinguished from 
colon by having several prominent, erect, 
bristlelike hairs on the hind femora; the 
length of each of these hairs is greater than 
the thickness of a tibia. 
Mave.—Length 5.40, width 2.20. Head 
width 1.05, vertex 0.47. Rostrum, length 
2.04, reaching to middle of hind coxae. An- 
tennae, first segment, length 0.89, dark red- 
dish brown with a few small white dots; sec- 
ond, 1.90, dark brown, with a pale an- 
nulus at the middle and a somewhat lighte1 
brown area before annulus; third, 0.81, dark 
brown to fuscous, paler at base; fourth, 
0.83, fuscous, a narrow yellowish area at 
base. Pronotum, length 1.20, width at base 
1.86; dark brown, basal half of disk black, 
slender area at base yellowish, and with 
seven or eight pale spots on sub-basal mar- 
gin, area bordering outer margin of black 
discal spots, and four short, longitudinal 
marks between, yellow to white. Scutellum 
dark brown, with slender line and irregu- 
lar marks on either side near apex pale. 
Hemelytra dark brown, somewhat paler at 
base of corium and apex of clavus; embo- 
lium, corium and cuneus with several small, 
yellowish or white dots. Membrane infus- 
cated, veins about apex of larger areole 
white. Venter with sides dark brown, each 
segment with three yellow marks which, 
taken together, suggest broken, longitudinal 
ILtinois NATURAL History SURVEY BULLETIN 
Vol. 22, Area 
lines. Legs reddish brown, irregularly 
marked with white dots; femora much 
darker at bases; hind pair with a large 
white spot on dorsal aspect beginning at 
middle; tibiae with white band at middle. 
FEmALe.—Length 5.80, width 2.70. Head 
width 1.12, vertex 0.54. Antennae, first seg- 
ment, length 0.99; second, 1.92; third, 0.75; 
fourth, 0.78. Pronotum, length 1.30, width 
at base 2.04. Very similar to male in pu- 
bescence and coloration. 
Host PLant.—Honey locust (Gleditsia 
triacanthos); also collected on black locust 
(Robinia pseudoacacia). ; 
Known DiIstriBuTION. — Illinois, Indi- 
ana, lowa, Ohio. 
Hilinois Records.—DANVILLE: June 8, 
1902, Titus & Kahl, 1 ¢. ELIZABETHTOWN: 
May 27-31, 1932, on Robinia pseudoacacia, 
H. L. Dozier, 1¢, 49. NEw Hopoanae 
May 28, 1936, Mohr & Burks, 3 ¢, 49. St. 
JosEPH: June 17, 1932, T. H. Frison, 1 ¢. 
Paracalocoris multisignatus Reuter 
Paracalocoris multisignatus Reuter (1909, 
p. 40). 
Known from _ District of Columbia, 
Georgia, Indiana, Maryland, Mississippi, 
New York, North Carolina, Ohio, Okla- 
homa, Texas, Virginia. It should eventually 
be found in southern Illinois. Breeds on 
wild grape (Vitis rotundifolia). 
Paracalocoris colon (Say) 
Capsus colon Say (1832, p. 25). 
Apu tts.—Length 5.80, width 2.50; length 
of pronotum 1.33. Antennae, first segment, 
length 1.10, brownish, spotted with yellow, 
spots more or less confluent, clothed with 
black semierect hairs which are hardly as 
long as segment is thick; second, 2.22, nar- 
row area at base and apical one-third black, 
area between brownish, but with pale an- 
nulus bordering black, pubescence fine; third, 
0.97, pale to fuscous, becoming darker at 
apex; fourth, 1.08, pale fuscous, darker at 
apex. Dorsum pale yellowish to grayish or 
dark brown, spotted with yellow, in paler 
specimens brown forming large _ spots; 
clothed with pale yellowish to golden pu- 
bescence; membrane fuscous, with a spot 
at middle and on either side near tip of cu- 
neus yellowish. Ventral surface brownish, 
each segment with two or three longitudinal, 
yellow marks on sides. Legs yellowish; api- 
cal third of femora and two bands on tibiae 
