Thereva brunnea Cole

(Fig. 12)

Specimens examined (15). BC: Cathedral Provincial Park, Glacier Lake; Cathedral Provincial Park, Quinescoe Mountain summit; Hope, Nicolum River; Manning Provincial Park, Strawberry Flats; Nicola; Saanich, Mount Newton; Victoria, Ten Mile Point; Wellington. DEBU, RBCM, SEM.

Database and literature records (44+4). BC: Agassiz; Chase; Courtenay; Cultus Lake Provincial Park; Dean River; Gabriola Island; Gillies Bay; Hornby Island, Norman Point; Merritt, Midday Valley; Mesachie Lake; Mission; Nanaimo; Quadra Island; Vancouver; Vancouver, University of BC; Victoria (type locality); Wellington. CASC, CNCI, EMEC, INHS, MCZC, MEI, NHMW, OSUC, OSUO, SEM.

iNaturalist records (1). Tipella, Harrison Lake, north end (iNat 53228675) (Fig. 12).

Conservation status. BC: S4

Distributional notes. In British Columbia, T. brunnea is widespread in coastal areas (Victoria, Vancouver, Dean River) and the southwestern Interior (Chase, Merritt). It is especially frequent on the south coast and likely occurs east to the Rocky Mountains based on records in adjacent jurisdictions (Holston & Irwin 2005).

Ecoprovinces and other designations. BC: Coast and Mountains, Georgia Depression, Southern Interior, Southern Interior Mountains.

Range. Cordilleran. British Columbia and Alberta south to Montana and California (Webb et al. 2013).

Biological notes. Flight period: 4 May–6 September. Thereva brunnea is found from sea beaches to alpine meadows.