. Bulletin. Natural history; Natural history. Aug., 1975 Webb Et Al.: Mecoptera of Illinois 281. Fig. 64.—Merope tuber fore wing. margin. Veins and cross veins numer- ous and variable. Pterostigma not dis- tinct. Thyridium absent. Small brown basal lobe near apex of Ao. Hind wings slightly smaller than fore wings. The fore wings contain numerous veins and crossveins which show considerable 'ariation in their number, branching, and origins. Legs pale yellow. Tarsal claws paired, simple. Abdomen pale yellow to brown, seg- ments subrectangular, flattened dorso- ventrally. Male terminalia (Fig. 6

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. Bulletin. Natural history; Natural history. Aug., 1975 Webb Et Al.: Mecoptera of Illinois 281. Fig. 64.—Merope tuber fore wing. margin. Veins and cross veins numer- ous and variable. Pterostigma not dis- tinct. Thyridium absent. Small brown basal lobe near apex of Ao. Hind wings slightly smaller than fore wings. The fore wings contain numerous veins and crossveins which show considerable 'ariation in their number, branching, and origins. Legs pale yellow. Tarsal claws paired, simple. Abdomen pale yellow to brown, seg- ments subrectangular, flattened dorso- ventrally. Male terminalia (Fig. 65) pale yellow, elongate, equal in length to or longer than abdomen. Ninth ter- gum short, emarginate apically, form- ing two pointed lobes. Anus mesoven- trally beneath ninth tergum. Basistyles elongate, broad basally. Dististyles elongate, shorter than basistyles, apex of each dististyle flattened laterally, emarginate, forming two black clawlike lobes; small apical concave disc in mesal margin of each dististyle (Fig. 66). Cerci present as short clavate. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division