September, 1941 
Pronotum with calli and anterior area 
of disk dark fuscous to black; 
scutellum and clavus rather thickly 
clothed with suberect, yellowish 
pubescence, but without long, pilose 
SCITeS ae ek ee pumilus, p. 112 
17. Length of second antennal segment 
greater than width of head plus 
dorsal width of oneeye............ 
EE Pee ine incisus, p. 113 
Length of second antennal segment 
not exceeding width of head plus 
Gorsalawidth of one eye. ..-....... 18 
18. Membrane uniformly pale, darkest 
specimens with membrane slightly 
BOO Sve MCU tO 2.00) osm bcude 0. fae 
Me, RES quadrispiculus, p. 114 
Membrane Car kee ca .aa koa i Sees IES) 
19. Second and third antennal segments 
uniformly pale yellowish......... 
ee uniformis, p. 113 
Third antennal segment dark or red- 
dishebrown, .v:..... cee) 
20. Dorsum densely clothed with erect, 
father bristly pubescence-........ 
ey hs oe: digitulus, p. 115 
Dorsum more sparsely clothed with 
seum feetspubescchcen. samen ed ace! 
21. Membrane uniformly fuscous....... 
Re ae decurvatus, p. 116 
Membrane pale, fuscous on apical one- 
PIECeOU Ves ets, fuscinus, p. 115 
Ceratocapsus fasciatus (Uhler) 
Megacoelum fasciatum Uhler (1877, p. 421). 
Mave.—Length 3.00, width 1.30. Head 
width 0.65, vertex 0.28. Antennae, first seg- 
ment, length 0.26; second, 0.91; third, 0.60; 
fourth, 0.48. Pronotum, length 0.56, width 
at base 1.04. General color dark chestnut 
brown with legs and antennae paler; hem- 
elytra with a broad, transverse, pale yellow- 
ish band behind tip of scutellum; clothed 
only with fine recumbent, yellowish pubes- 
cence. Genital claspers as in fig. 134. 
FEMALE.—Length 3.10, width 1.40. Head 
width 0.67, vertex 0.33. Antennae, first seg- 
ment, length 0.29; second, 0.99; third, 0.61; 
fourth, 0.52. Pronotum, length 0.56, width 
at base 0.67. Very similar to male in color 
and pubescence. 
Host PLrant.—Hickory (Carya sp.). 
Known DistrisutTion.—District of Co- 
lumbia, Illinois, Indiana, Iowa, Maryland, 
Massachusetts, Michigan, Minnesota, Mis- 
KNIGHT: PLANT Bucs, or Miripag, oF ILLINOIS 
109 
sissippi, New York, North Carolina, Ohio, 
Virginia. 
Illinois Records.—I.urNois: July 16, 
1392 a cae leo ee Oe ARGOS Ao 301916, 
W. J. Gerhard, 1 ¢, rm. Dusots: July 2, 
1909, beating from tree, 19. GALESBURG: 
uted (109242 Ore PATOSSRARK: elulye2s: 
1913, on hickory, W. J. Gerhard, 1¢, FM. 
Ceratocapsus rubricornis Knight 
Ceratocapsus rubricornis Knight (1927c, p. 
Sys 
Mare.—Length 4.30, width 1.70. Anten- 
nae deep red, last two segments somewhat 
darker red. Clothed with simple, yellowish 
pubescence; a few longer, more nearly erect 
hairs on base of clavus, scutellum and disk 
of pronotum. Color uniformly pale yellow- 
ish; antennae, head, propleura above middle 
of coxal cleft, and hind tibiae, bright red. 
Genital claspers distinctive, fig. 134; differ 
from those of lutescens Reuter by long, de- 
curved, sickle-shaped apical half of right 
clasper and by broader basal spine. 
FEMALE.—Length 4.40, width 1.90. In 
coloration and pubescence similar to male. 
Foop PLants.—Collected on linden ( T%lia 
americana). 
Known DistriBUTION.—District of Co- 
lumbia, Illinois, Mississippi. 
Illinois Record.—GALEsBuRG: 
on linden, 19. 
August, 
Ceratocapsus pilosulus Knight 
Ceratocapsus pilosus Knight (1923d, p. 526). 
Preoccupied. 
Ceratocapsus pilosulus 
198). 
This species is very similar to fasciatus 
(Uhler) in size and coloration but is readily 
to be distinguished by the long, pilose hairs 
on the head and the dorsum, and by the 
claspers, fig. 134. 
Mave.—Length 3.40, width 1.30. Front 
beset with several prominent, erect hairs. 
Rostrum attaining hind margins of posterior 
coxae. Antennae with second segment be- 
coming gradually thicker from base to apex, 
yellowish brown; third brownish; fourth 
dark brown. Pronotum clothed with fine, 
yellowish pubescence, margins of disk beset 
with prominent pilose hairs. General color 
dark brown; hemelytra with a broad, trans- 
verse, pale yellowish fascia just behind apex 
of scutellum. Hemelytra clothed with very 
Knight 1930c. p. 
