. Bulletin. Natural history; Natural history. September. 1941 Knight: Plant Bugs, or Miridae, of Illinois 93 First antennal segment with inner black line complete, nearly parallel with outer line and both joined api- cally on ventral side - 2. Second antennal segment with a broad fuscous to black area fuscicornis, p. 94 Second antennal segment pale, a black annulus at base; at most the black color not occupying more than basal one-fourth of segment 3 3. Corium, clavus and dorsal aspect ot hind femora conspicuously marked with green spots irrorata, p. 93 Corium and femora without well-de- fined
. Bulletin. Natural history; Natural history. September. 1941 Knight: Plant Bugs, or Miridae, of Illinois 93 First antennal segment with inner black line complete, nearly parallel with outer line and both joined api- cally on ventral side - 2. Second antennal segment with a broad fuscous to black area fuscicornis, p. 94 Second antennal segment pale, a black annulus at base; at most the black color not occupying more than basal one-fourth of segment 3 3. Corium, clavus and dorsal aspect ot hind femora conspicuously marked with green spots irrorata, p. 93 Corium and femora without well-de- fined green blotches or spots 4 4. Second antennal segment with a rather broad, fuscous area at base, linear extent of dark color greater than width of first segment. querci, p. 95 Second antennal segment with a narrow black annulus at base, width of this annulus scarcely exceeding diameter of first segment 5 5. Membrane with a sharply defined, fuscous mark bordering larger areole pollicaris, p. 95 Membrane without tuscous mark bor- dering larger areole bifurcata, p. 94 Reuteria irrorata (Say) Caps us irroratus Say (1832, p. 25). Male.—Length , width Head width , vertex Rostrum, length , nearly attaining posterior margins of middle coxae. Antennae, first segment, length , thicker on basal half and taper- ing apically, yellowish green, a heavy black longitudinal line on inner and one on outer side, these tw'o lines connected apically across ventral aspect; second, , yellow- ish, a narrow black annulus at base; third, , yellowish; fourth, , dusky yellow. Pronotum, length , width at base Clothed with moderately long, simple, white pubescence, longest on pronotum and base of hemelytra, more recumbent and partly seri- ceous on clavus; a tuft of fuscous hairs at tip of clavus and inner basal angle of cuneus. General coloration pale to white; hemelytra somewhat translucent; blotches and spots on corium and clavus; edge of clavus bordering
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