108 
ILLINoIs NATURAL History SURVEY BULLETIN 
Pamillia Uhler 
No Illinois species; Pamillia davisi Knight 
is known from New Jersey. 
GS 
. Robust; 
Ceratocapsus Reuter 
KEY; LO SPECIES 
. Clothed only with simple pubescence, 
although sometimes also with prom- 
Inent sloucm plloses airsmee ates y 
Clothed with two types of pubescence; 
bearing either more or less closely 
appressed, silky, tomentose pubes- 
cence, or scalelike pubescence, and 
in addition intermixed, more erect 
PUDESCEN COR meee eer ey ere re 
Head and antennae Pred Ak ne 
sum uniformly yellowish......... 3 
Head and antennae not distinctly red; 
dorsum more or less darkened..... 4 
Antennacsen tircl ye ied. es aes 
{peg eae ete ene rubricornis, p. 109 
Antennae with first segment and basal 
Pate olicecondaycllowishi este) ee 
lutescens, p. 111 
. Dorsum dark brown, a broad pale or 
yellowish mark extending across 
hemelytra just beyond tip of scutel- 
Weise, ke ee fasciatus, p. 109 
Dorsum without transverse pale fascia 5 
head and thorax not, or 
scarcely, darker than hemelytra, 
which are very dark brown with 
basal half frequently paler; length 
4530 6 ere modestus, p. 111 
Slender; head and thorax black, hem- 
elytra yellowish with a fascous cloud 
on corium; sometimes brachypter- 
Oust eng thes, 50) see meee eee 
be ik en nigrocephalus, p. 111 
. Dorsum dark brown, a broad, pale 
mark extending across hemelytra 
just beyond tip of scutellum; this 
pale area in cuticula, not formed by 
pubescence wees pilosulus, p. 109 
Dorsum without transverse pale mark 7 
Pronotum impunctate, sometimes 
with vague, minute cracks........ 8 
Pronotum punctate, these punctures 
sometimes rather minute, but 
always distinctly present......... 14 
. Clavus bearing long, pilose hairs.... 9 
Clavus without long, pilose hairs... .11 
Length of first antennal segment 
10. 
ime 
138 
14. 
1 
16. 
Vol. 22, Avie 
equal to not more than three-fourths 
width of vertex in male, in female 
less than three-fourths; male 
slender, length of second antennal 
segment only slightly exceeding 
width of head; female brachypter- 
ous, disk of cortum swollen, convex 
700.3 p ee camelus, p. 114 
Length of first antennal segment ap- 
proximately equal to width of ver- 
Second antennal segment fuscous at 
apex; male best distinguished by 
structure of genital] claspers, fig. 134 
eta ok husseyi, p. 113 
Second antennal segment uniformly 
pale yellowish; male best distin- 
guished by structure of genital 
claspers; fig. 1343 eeee sericus, p. 113 
Length of third antennal segment not 
equal to width of vertex plus dorsal 
width of one eye; color uniformly 
yellowish, antennae brownish 
apically.....:..:5 o2eslUtCUS apa 
Length of third antennal segment 
greater than width of vertex plus 
dorsal width of one ¢yeo=eeeeeee 12 
. Length of second antennal segment 
approximately equal to or greater 
than width of pronotum at base; 
color very dark brown, almost 
black; length 4.50. ..nigellus, p. 111 
Length of second antennal segment 
less than width of pronotumat base. .13 
Third and fourth antennal segments 
approximately equal in length; 
total lencth 3:J0 ee taxodii, p. 111 
Third antennal segment distinctly 
longer than fourth; total length 
34069 ses ae vicinus, p. 112 
Length of third antennal segment 
greater than width of vertex plus 
dorsal width of oneveye= uae BS 
Length of third antennal segment 
equal to or less than width of vertex 
plus dorsal width of one eye...... 17 
Length of third antennal segment 
equal to width of head; female 
ovate, brachypterous, length 2.50; 
male length 3.10....setosus, p. 115 
Length of third antennal segment less 
than width of head.) = u=eeeaee 16 
Pronotum with a fuscous spot behind 
each callus; scutellum and clavus 
bearing a few long, pilose hairs... . 
Si iaiiyn Sie eee complicatus, p. 114 
