. Bulletin. Natural history; Natural history. April 1983 Pechuman, Webb, & Teskev: Diitera of Iliinois—Tahanidae 109 In Illinois adults appear in late June and have been collected until late July. H. frontalis is a northern species, extending from Vermont to Labrador and west to Colorado and Alaska (Fig. 275). In Illinois this species has only been collected from the northeast part of the state (Fig. 275). Hybomitra hinei (Johnson) Tabanxis hinei]o\mson (1904:15). Type- locality: New Jersey, Merchantville. New name ior politus ]ohnson (1900: 325). Therioplectes politus Johnson (1900:325).
. Bulletin. Natural history; Natural history. April 1983 Pechuman, Webb, & Teskev: Diitera of Iliinois—Tahanidae 109 In Illinois adults appear in late June and have been collected until late July. H. frontalis is a northern species, extending from Vermont to Labrador and west to Colorado and Alaska (Fig. 275). In Illinois this species has only been collected from the northeast part of the state (Fig. 275). Hybomitra hinei (Johnson) Tabanxis hinei]o\mson (1904:15). Type- locality: New Jersey, Merchantville. New name ior politus ]ohnson (1900: 325). Therioplectes politus Johnson (1900:325). Name preoccupied in Tahanus (Walker 1871). Type-locality: New Jersey, Merchantville. Small to moderate size (11 mm); subcallus swollen, denuded, shiny; eyes with short hair; abdomen shining black with orange laterally; wing tinted with yellow, dark, poorly defined band in vicinity of discal cell, costal cell dark yellow. Male eye facets little differen- tiated; frontal triangle prominent, gray- ish; eyes hairy. Larvae (Fig. 265) have been found in moss and partly decayed organic material around roots of shrubs and along banks of ponds, lakes, streams, and ditches (Pechuman 1972; Teskey 1969). H. hinei is an eastern coastal species, extending from South Carolina to New Hampshire with several disjunct popu- lations in New York, Ontario, Michigan, Wisconsin, and Indiana (Fig. 276). As yet this species has not been collected in Illinois although specimens have been examined from Indiana and Hybomitra illota (Osten Sacken) Tabanus illota Osten Sacken (1876:469). Type-locality: Hudson Bay Territory (lectotype). Moderate size (13 mm); brownish black; subcallus pollinose; eyes hairy; second palpal segment stout, especial- ly at base; third antennal segment stout; abdomen with faint median triangles, gray or yellowish gray sublateral spots; wings hyaline with pale yellow costal cell and faint brownish spots. Male eye facets scarcely differentiated; sublateral spots larger
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