. Bulletin. Natural history; Natural history. 126 Illinois Natural History Survey Bulletin- To/. 22. Art. 1 Hemclytra short, membrane absent, apices rounded, covering three-fourths of abdo- men, depressed at base, apical half more convex; dorsum glabrous, shining. General color black; white spot present on either side at base of hemelytra; legs pale, femora reddish except at base; coxae fuscous at bases; rostrum pale, except at base and apex. Female.—Brachypterous: Fig. 142. Length , width Head width , vertex Antennae, first segment, length ; second, Pronotum, len
. Bulletin. Natural history; Natural history. 126 Illinois Natural History Survey Bulletin- To/. 22. Art. 1 Hemclytra short, membrane absent, apices rounded, covering three-fourths of abdo- men, depressed at base, apical half more convex; dorsum glabrous, shining. General color black; white spot present on either side at base of hemelytra; legs pale, femora reddish except at base; coxae fuscous at bases; rostrum pale, except at base and apex. Female.—Brachypterous: Fig. 142. Length , width Head width , vertex Antennae, first segment, length ; second, Pronotum, length , width at base Form of hemelytra and coloration similar to male. Macropterous: Length , width Head width , vertex Antennae, first segment, length ; second, Pro- notum, length , width at base Hem- elytra with membrane developed, fuscous; hrachium distinct; cuneus large, outer mar- gin arcuated. Color black; basal half of clavus and corium pale yellowish; legs and rostrum as in male. The macropterous form is rare. Paler specimens of this species, in which the hemelytra are almost entirely creamy white, belong to the variety gracilis Uhler (1890, p. 85). Food Plants.—Sedges. Known Distribution.—Colorado, Ida- ho, Illinois, Iowa, Minnesota, Montana, New Mexico, New York, North Dakota, Ohio, Ontario, Utah, Wisconsin. Illinois Records.—Four males and 11 females, taken June 10 to Aug. 26, are from Algonquin, Argo, Beach, Champaign, Fox Lake, Galesburg, Grayslake, Palos Park, Rock Island, Volo, Zion. CoUaria Provancher KEY TO SPECIES Pronotal disk brown to fuscous, conspicu- ous black spot present on either side of basal half ef disk oculata, p. 127 Pronotal disk black, black spots obscure meilleurii, p. 126 Collaria meilleurii Provancher CoUaria meilleurii Provancher fl872, p. 79; 1886, p. 102j. Male.—Length , width Head width , vertex Antennae, first segment, length , yellowish brown, base
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