. Bulletin. Natural history; Natural history. 174 ILLINOIS NATURAL HISTORY SURVEY BULLETIN Vol. 21, Alt. 4 Holotype, male.—Newfound Gap, North Carolina: June 13, 1935, along Little Pigeon River, H. H. Ross. Paratypes.—North Carolina.—Same data as for holotype, 3(3^. Aopsyche new subgenus This subgenus is very closely related to Theliopsyche as evidenced by the similar type of distinctive genitalia and the tonguelike process on the seventh sternite. It differs from that genus, however, in the different shape of the maxillary palpi, fig. 116, and the peculiar venation featuring a very wide sub-


. Bulletin. Natural history; Natural history. 174 ILLINOIS NATURAL HISTORY SURVEY BULLETIN Vol. 21, Alt. 4 Holotype, male.—Newfound Gap, North Carolina: June 13, 1935, along Little Pigeon River, H. H. Ross. Paratypes.—North Carolina.—Same data as for holotype, 3(3^. Aopsyche new subgenus This subgenus is very closely related to Theliopsyche as evidenced by the similar type of distinctive genitalia and the tonguelike process on the seventh sternite. It differs from that genus, however, in the different shape of the maxillary palpi, fig. 116, and the peculiar venation featuring a very wide sub- costal cell and crowded branches of radial sector. Characteristics: Structure typical of Lepidostomatinae. First antennal seg- ment almost as long as width of head. Maxillary palpi long, the second seg- ment slender at base, widened toward apex, and the inner apical side bearing a brush of dense, dark setae; apical segment slender, tapering to apex, bear- ing only a few long setae on inner side. Front wing without scales; venation as in fig. 116. Costa thick to juncture with subcosta, wl(ich is close to costa and faint; subcostal cell wide; branches of radial sector crowded together and close to Ri; media with three branches. Hind wing with costa and subcosta indistinguishable, radius with four branches, media with two and cubitus 1 with two; all are weak except the strong veins Ri and Cut. Spurs 2-4-4. Seventh sternite of abdomen with a tonguelike projection extending from the incised apical margin. Eighth stern- ite reduced to a narrow, sclerotized band. Genotype.—Theliopsyche corona new species (original designation). Theliopsyche corona new species Male.—Length 6 mm. Color black- ish brown with the wings and legs lighter than the other parts. General structure given under description of the genus. Genitalia as in fig. 116. Tenth tergite consists of a pair of raised plates, each of which gives rise to a lateral, elongate, spinous process extending almost to the ape


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