. Bulletin. Natural history; Natural history. 102 Illinois Naiural History Survey Bllletin Vol. 33, Art. 1 lected. For many years it was confused with what is now called T. fairchildi, and most records earlier than 1938 actually refer lo fairchildi. Larvae (as in marginalis, Fig. 193) have been found in pasture sod at the edge of a permanently wet area and in boglike areas bordering streams (Pechuman 1972; Teskey 1969). T. vivax is a northeastern species, extending from West Virginia to Labrador and west to Wisconsin (Fig. 258). As yet this species has not been collected in Illinois although s
. Bulletin. Natural history; Natural history. 102 Illinois Naiural History Survey Bllletin Vol. 33, Art. 1 lected. For many years it was confused with what is now called T. fairchildi, and most records earlier than 1938 actually refer lo fairchildi. Larvae (as in marginalis, Fig. 193) have been found in pasture sod at the edge of a permanently wet area and in boglike areas bordering streams (Pechuman 1972; Teskey 1969). T. vivax is a northeastern species, extending from West Virginia to Labrador and west to Wisconsin (Fig. 258). As yet this species has not been collected in Illinois although specimens have been examined from southern Wisconsin. Tabanus wilsoni Pechuman Tabanus wiboni Pechuman (1962:66). Type-locality: Arkansas, Arkansas County, Arkansas River. Moderate size (14 mm); brown; frons very narrow, sometimes slightly widened above; first two antennal segments and rather broad basal plate of third seg- ment dark yellow, annulate portion black; palpi white; dorsum of thorax brown, contrasting with gray pollinose, white haired pleurae; wings with faint yellowish tint, darker in costal cell; coxae, fore and hind femora mostly dusky; pale median band of abdomen narrow, widening at apex of each segment; sublateral spots small, round- ish, yellow brown. Male similar to female, but basal plate of antennae narrower, pleural hairs with yellowish tint, sublateral abdominal spots more extensive; upper eye facets not greatly. enlarged but line of demarcation distinct. Larvae (as mfulvulus. Fig. 196) have been found in relatively drv soil in a bottomland hardwood forest in Louisi- ana (Tidwell & Tidwell 1973). T. wilsoni is a south-central species, extending in a narrow band from Louisiana to western Kentuckv (Fig. 259). As yet this species has not been collected in Illinois although specimens have been examined from western Kentucky. Hamatabanus Philip Hamatabanus carolinensis (Macquart) Tabanus carolinensis Macquart (1838:149). Type-locality: Carolina. Tabanus sci
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