. Bulletin. Natural history; Natural history. 94 Illinois Natural History Survey Bulletin Vol. 22, Art. 1 width , vertex Antennae, first seg- ment, length ; second ; marked as in male. Slightly more robust than male, but very similar in pubescence and coloration. Host Plants.—Chiefly on elm {Ulmus airiericana) ; also, two Illinois specimens were taken on cypress {Taxodium distich- urn). Known Distribution. — Illinois, Indi- ana, Iowa, Minnesota. New York. Illinois Records.—Twenty males and 34 females, taken June 24 to Aug. 11, are from Aldridge, Algonquin, Ashley, Cham- paign
. Bulletin. Natural history; Natural history. 94 Illinois Natural History Survey Bulletin Vol. 22, Art. 1 width , vertex Antennae, first seg- ment, length ; second ; marked as in male. Slightly more robust than male, but very similar in pubescence and coloration. Host Plants.—Chiefly on elm {Ulmus airiericana) ; also, two Illinois specimens were taken on cypress {Taxodium distich- urn). Known Distribution. — Illinois, Indi- ana, Iowa, Minnesota. New York. Illinois Records.—Twenty males and 34 females, taken June 24 to Aug. 11, are from Aldridge, Algonquin, Ashley, Cham- paign. Dubois, Galesburg, Grafton, Harris- burg, Kansas, Karnak, Monticello, Pulaski, Rockford, Starved Rock State Park. Ur- bana. Reuteria bifurcata Knight Reuteria bifurcata Knight (1939^, p. 130). This is distinguished from allied species by the bifurcate form of the male genital claspers, fig. 124; it differs in color from irrorata (Say) and fuscicornis Knight in the absence of green dots on the clavus and the corium. Male.—Length , width Head width , vertex Rostrum, length , reaching to middle of intermediate coxae. Antennae, first segment, length , black marks typical for genus; second. , yellowish, a distinct black ring at base; third, , yellowish to dusky; fourth, , dusky yellow. Pronotum, length , width at base Clothed with pale, simple pubescence as in irrorata. Female.—Length , width Color and pubescence not differing from those of male. Known Distribution.—Illinois, Mary- land, New York, Oklahoma. Illinois Record.—Shawneetown: June 27, 1936, DeLong & Mohr, 1 $ . Reuteria fuscicornis Knight Reuteria fuscicornis Knight (1939;^, p. 129). This species is distinguished from irrorata (Say) by the structure of the male genital claspers, fig. 124, and the fuscous coloration of the second antennal segment. Male.—Fig. 125. Length , width Head width , vertex Ros- trum, length , r
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