24 I~tinois NATURAL History SURVEY BULLETIN 
ish yellow, with large, well-marked, 
darkybrownlatca saa) eae ee. 2 
ee he ee Reuteroscopus, p. 48 
Pseudarolia united with claw, fig. 39; 
color dark brown, or yellow with 
minute, darker markings...) o95.. 
eer rate a or Psallus, p. 43 
13: 
Fig. 80.— Antenna of Orectoderus obliquus,&. 
Fig. 81.—Antenna of Rhinacloa forticornis, 
o) 
Fig. 82.—Antenna of Airactotomus magni- 
COTRISS 3A SO EDA, 
Fig. 83.—Head 
manni, o. 
ies 84.—Head of Plagiognathus blatchleyi, 
of Microsynamma  tohe- 
Fig. 85.—Antenna of Rhinocapsus vandu- 
eel. 
Fig. 86.—Antenna of Microphylellus modes- 
tas, 
11. Length of second antennal segment 
less than width of head across eyes; 
in species in which the two are al- 
most equal, hind femora not light 
with numerous dark spots 
Length of second antennal segment 
greater than width of head across 
eyes; In species in which the two are 
almost equal, hind femora light with 
numerousidark spots... 1 aes 14 
12. Femora light colored, with conspicu- 
ous black spots on ventral surface. . 
eRe eee A Aen ae Campylomma, p. 25 
Femora dark brown to black or en- 
tirely light, without dark spots... .13 
Iie 
18. 
12. 
Vol. 22, Art. 1 
Hemelytra black, with a transverse 
light mark extending across middle 
of clavus, fig. 92; male antennae 
with first and second segments 
greatly thickened; fig79 22am 
Me Lg ee eee Leucopoecila, p. 50 
Hemelytra uniformly dark brown to 
black, never with a pale mark ex- 
tending across clavus; male anten- 
nae slender, scarcely thicker than in 
female, ae Chlamydatus, p. 25 
. Pseudarolia large, projecting slightly 
beyond apices of claws, as in fig. 45; 
disk of prosternal xyphus depressed, 
and with elevated margins........ 15 
Pseudarolia minute, not reaching tips 
of claws, figs. 40, 42; disk of pro- 
sternal xyphus convex, margins not 
elevated... ..... 4.0) 16 
Rostrum not extending beyond hind 
coxae; head only moderately, ob- 
hquely produced ae Lopus, p. 51 
Rostrum extending to middle of ven- 
ter; head strongly produced anter- 
10rly;, a. is. eee Amblytylus, p. 51 
Margin of compound eye well sepa- 
rated from antennal fossa, minimum 
space between the two more than 
one-third as great as diameter of 
antennal fossa; margin of compound 
eye near antennal fossa almost 
straight, fig. 83°... 
BR Per 12, Microsynamma, p. 42 
Margin of compound eye almost or 
quite touching antennal fossa, min- 
imum space between the two not 
more than one-eighth as great as 
diameter of antennal fossa; margin 
of compound eye more or less 
emarginate near antennal fossa, 
fig. 84. ag. Ys de er 17 
Hind tibiae with dark spines, these 
spines without dark spots at bases. 18 
Hind tibiae with light yellow to almost 
colorless spines, or with dark spines 
having dark spots at bases........ 20 
General color bright yellowish green, 
with large, well-marked, dark brown 
areas; pseudarolia attached at base 
of claw, tip free and extending to 
middle of claw, fig. 43... 
aoe ce ee Reuteroscopus, p. 48 
General color dark red, or brown to 
black; pseudarolia completely 
united with claw, figs. 38-40...... 19 
General color dark red; second anten- 
