Thereva strigipes Loew, 1870

Thereva strigipes Loew View in CoL

Specimens examined (0).

Database and literature records (5). BC: Cornbeef Creek; Dease Lake. YT: Dempster Highway, km 140.1; White Mountains, Erebia Creek. CNCI, NFRC, RBCM, SEM.

Conservation status. BC: S3S4, YT: SU

Distributional notes. Thereva strigipes is known in British Columbia from two locations: Dease Lake in the far North and Cornbeef Creek in the Kootenays. Probably the species is widespread throughout most of the Interior as it occurs in adjacent Yukon, Alberta, and Northwest Territories. There are two localities in the northern Yukon from the Dempster Highway and the White Mountains.

Ecoprovinces and other designations. BC: Southern Interior Mountains; Northern Boreal Mountains. YT: Taiga Cordillera.

Range. Transition. British Columbia, Yukon, and Northwest Territories east to Nova Scotia; south to New Hampshire, New York, and Minnesota ( Webb et al. 2013).

Biological notes. Flight period: 4 July–26 July. Thereva strigipes lives mostly in lower elevation mixed and deciduous woodland, especially in the East and on the Great Plains. However, it lives in boreal and subarctic habitats in the far Northwest ( Holston & Irwin 2005).