170 
Maine, Maryland, Minnesota, New York, 
Ohio, Ontario, Quebec. 
Illinois Records.—Twelve males and 19 
females, taken May 21 to June 24, are from 
Dolson, Dubois, Elizabethtown, Golconda, 
Herod, Mound City, Mount Carmel, Oak- 
wood, Pulaski. 
Polymerus fulvipes Knight 
Polymerus fulvipes Knight (1923d, p. 603). 
Known from Connecticut, Massachusetts, 
New York, North Carolina, Pennsylvania. 
Not yet collected in Illinois. 
Polymerus severini Knight 
Polymerus severini Knight (1925, p. 247). 
No IIlinois specimens; known from Al- 
berta, Minnesota, South Dakota. 
Polymerus nubilipes Knight 
Polymerus nubilipes Knight (1925, p. 248). 
Known only from Minnesota and Wis- 
consin; not yet taken in Illinois. 
Polymerus opacus Knight 
Polymerus opacus Knight (1923d, p. 604). 
Not taken in Illinois; known from Maine, 
Ontario, New York, Vermont. Feeds on 
aster (Aster umbellatus). 
Polymerus venustus Knight 
Polymerus venustus Knight (1923d, p. 605). 
Mave.—Length 5.20, width 2.30. Head 
width 1.01, vertex 0.38; head black; a yel- 
low spot on either side of vertex bordering 
eye; lower margin of jugum and upper mar- 
gin of lorum red; clothed with sericeous, 
pale pubescence. Rostrum, length 1.14, 
scarcely exceeding posterior margins of 
front coxae, piceous, paler at joints. An- 
tennae, first segment, length 0.81, black, un- 
usually long and thick (0.15 thick) ; second, 
2.06, cylindrical, thickness 0.07, yellowish, 
apical one-third black, pubescence same 
color as surface beneath; third, 1.02, slender, 
yellowish to fuscous, darker apically; fourth, 
1.03, blackish. Pronotum, length 1.03, width 
1.74; surface minutely granulate and trans- 
versely wrinkled; clothed with yellowish to 
golden, silky pubescence; black, lower 
pleural margin with a slender reddish area. 
Scutellum black, surface and pubescence as 
Ittinors NATURAL History SURVEY BULLETIN 
Vol. 22, Art. 
on pronotal disk. Sternum and pleura black; 
ostiolar _peritreme yellowish to _ reddish. 
Hemelytra with emboliar margins moder- 
ately arcuate; black, opaque, surface rather 
irregularly roughened, somewhat scabficu- 
lous; clothed with golden and dusky seri- 
ceous pubescence. Membrane uniformly 
dark fuscous; area bordering apex of cuneus 
slightly paler, veins yellowish. Legs with 
coxae and basal half of femora deep, trans- 
lucent red; lateral areas of coxae, with apex 
of front pair also, becoming fuscous; apical 
one-half to one-third of femora _ black, 
blackish cloud formed on anterior face of 
front pair near base; tibiae. yellowish to ful- 
vous, basal one-third and apices black; tarsi 
yellowish, apical half of third segment fus- 
cous. Venter black, clothed with sericeous, 
silvery pubescence; genital segment with 
simple, dusky yellowish hairs. 
FEMALE.—Length 5.70, width 2.60. Em- 
boliar margins more strongly arcuate api- 
cally. More robust than male, but very simi- 
lar in coloration. First antennal segment as 
thick as that of male, but second segment 
slightly more slender. 
Hasits.—Collected on willow (Salix sp.). 
Known DistrisuTion. — Florida, Illi- 
nois, Michigan, North Carolina, Ohio, South 
Carolina, Virginia. 
Illinois Records.—Go.conpa: June 22, 
1932, on Salix sp., Ross, Dozier & Park, 1g, 
19. Purasxi: May 28, 1909, cypress 
SWAIID Mince 
Polymerus brevirostris Knight 
Polymerus brevirostris Knight (1925, p. 246). 
Mate.—Length 4.50, width 2.20. Head 
width 0.97, vertex 0.43. Rostrum, length 
0.88, not reaching hind margins of front 
coxae, reddish to fuscous. Antennae, first 
segment, length 0.46, thickness 0.14, black; 
second, 1.74, thickness 0.11, cylindrical, 
slightly constricted near base, black; third, 
0.71, orange yellow, fuscous apically; fourth, 
0.93, fuscous, yellowish at base. Pronotum, 
length 0.96, width at base 1.80; basal mar- 
gin with a slender yellowish area; xyphus 
reddish. Body clothed with golden yellow, 
sericeous pubescence, silvery beneath, this 
pubescence intermixed with pale and fus- 
cous, simple hairs; femora with pale pu- 
bescence. General color black; embolium 
and usually slender outer margin of cuneus 
yellowish; membrane black, veins yellowish. 
Legs orange to red; tibiae, tarsi and apices 
