Thereva cingulata Krober 1912

Thereva cingulata Kröber Specimens examined (11). BC: Ashcroft, Oregon Jack Creek; Dog Creek; Ilgatchuz Mountains, Pan Creek; Osoyoos, Mount Kobau summit (Fig. 17); Rainbow Mountains, East Branch Trail. RBCM. Database and literature records (24). BC: Cariboo, Springhouse; Chilcotin; Chilcotin Ranges; Kamloops; Keremeos; Lac la Hache, Provincial Park; Lac la Hache, Crystal Springs Campsite; Lillooet; McQueen Lake; Oliver, UBC Geology Camp; Quesnel; Soda Creek. CASC, CNCI, EMEC, MEI, SEM. Conservation status. BC: S4 Distributional notes. In British Columbia, T. cingulata is not known on the Coast; it is widespread in the southwestern Interior (Osoyoos, Ashcroft, Kamloops), north to the Cariboo-Chilcotin (Lac la Hache, Soda Creek, Ilgatchuz Mountains) and Peace River Region (Fort St. John). The species probably occurs east into the southern Rockies, based on Alberta and Montana distribution (Webb et al. 2013). Ecoprovinces and other designations. BC: Southern Interior, Central Interior, Boreal Plains. Range. Cordilleran. British Columbia east to Saskatchewan, south to New Mexico and Arizona (Webb et al. 2013). Biological notes. Flight period: 18 June–6 September. The fly has been collected in Pseudotsuga menziesii / Calamagrostis rubescens woods, subalpine woodland (Fig. 17), and grassland/ Pinus ponderosa parkland interface. Forest and steppe habitats are usual (Holston & Irwin 2005).