28 
30. 
itl 
Ww 
i) 
34. 
O53, 
36. 
Si 
. Hemelytra uniformly 
ILLINo1is NATURAL HISTORY 
colored or slightly tinged with vel- 
low. . -atricornis, p. 35 
Body dark; hemelytra black, basal 
one-third to one-half of embolium 
and corium pale, rarely dark; cu- 
neus pale to fulvous, apex frequent- 
ly-duskytlength#4730 = 7 Onee eee: 
AAR oem eater brevirostris, p. 33 
29. Hemelytra without pale areas; gen- 
eral color light yellowish brown, 
tylus, lora and sternum black..... 
aa Le Reem en rosicola, p. 36 
Hemelytra fuscous with pale areas. . .30 
Pale area of corium limited by claval 
suture; smaller forms, length 3.70- 
obscurus var. albocuneatus, p. 32 
Pale area of corium limited by radial 
vein; females with fuscous area on 
apical half of corium divided into 
two spots by pale stripe which ex- 
tends along radius and joins that of 
cuneus; larger forms, length 4.50- 
4:90) ot some eae alboradialis, p. 31 
Scutellum, and usually entire dorsum 
asc we llesDlack a mre ane ot aren te: 32 
Scutellum pale or light yellowish 
brown, sometimes dark brown, tre- 
quently the median line blackish, 
but the basal angles distinctly 
paler; hemelytra more or less pale, 
in darkest forms very dark brown, 
but always somewhat translucent. .42 
brownish and 
translucent; thorax and scutellum 
blacker suffuscipennis, p. 40 
Hemelytra uniformly black, or black- 
ishewith, paler afeas mer ee ee 33 
. Cuneus very light yellow or reddish. .34 
Cuneusichictly black... nan 36 
Femora mostly black, only bases and 
narrow area at tips pale..... albo- 
notatus var. albonotatus, p. 31 
Femora pale or reddish, with two rows 
of prominent black spots on anterior 
face; posterior aspect also spotted 
WithiblaCko7= 4a af ae eee eee 35 
Cuneus and femora more or less red- 
dishar ee tinctus var. tinctus, p. 31 
Cuneus straw colored or yellowish. . . 
Spee Ey tinctus var. debilis, p. 31 
Femora_ pale or fulvous, usually 
spotted mwith™ black sea eee ay 
Femora black, pale only at apices... . 
First antennal segment mostly pale, 
SYee 
37: 
40. 
41. 
43. 
44, 
128 
SurvEY BULLETIN Vol. 22, Art. 1 
black only on base; hind femora 
pale, a single black spot on lower 
margin near apexi ee ee davisi, p. 38 
First antennal segment mostly black, 
small area at apex pale; hind femora 
with two rows of prominent black 
spots on anteriorsfaceyee ene 38 
Rostrum not extending beyond middle 
COXAG as ae ee punctatipes, p. 39 
Rostrum extending beyond middle 
Cuneus_pale at bases¢ 2) =e 
= ..dispar var. dispar, p. 39 
Cuneus uniformly black 
eee dispar var. crataegi, p. 39 
Length of second antennal segment 
just equal to width of head across 
eyes, first and second segments 
equallysthick aa syrticolae, p. 31 
Length of second antennal segment 
distinctly greater than width of 
head.....0 2... 4). 41 
Cuneus pale at base; second antennal 
segment with basal one-fourth 
black; body narrower2==e=eeee 
o5 inte eee pallidicornis, p. 30 
Cuneus uniformly black like cortum; 
second antennal segment with a 
narrow black area at base, apex 
dusky; body more ovate, deep 
black, ie shining 39a see 
......flavicornis, p. 30 
Pp Dorin nee greenish yellow, 
clothed with prominent — black 
pubescence; bases of first and sec- 
ond antennal segments black, a 
second black annulus present near 
apex of first segment... 
eee gE chrysanthemi, p. 31 
Dorsum darkened or marked with 
fuscous; pubescence pale; antennae 
not marked as above.) =) .=a=naae 43 
Second antennal segment uniformly 
pale, sometimes with a narrow 
dusky area at base...) nee 44 
Second antennal segment black at 
bases snd ea. oa eer 46 
First antennal segment pale; dorsum 
pale, thickly dotted with minute 
reddish brown or dusky brown 
Spots ae eee guttulosus, p. 40 
First antennal segment black; scutel- 
lum and cuneus pale; femora with 
black’ spots:....... >... 45 
scutellum and cuneus pale? ees 
.......,albatus var. albatus, p. 36 
