A northern range extension of a Canadian species of Special Concern, Dielis pilipes (Hymenoptera: Scoliidae), in the Okanagan Valley of British Columbia
The only known Canadian records of the yellow scarab hunter wasp, Dielis pilipes (Saussure) (Hymenoptera: Scoliidae), are from the southern Okanagan and Similkameen valleys of British Columbia. We report a 25-km northern range extension of the species into the Ponderosa Pine Biogeoclimatic Ecosystem Classification zone, collected in an unmanaged agricultural field in Summerland, British Columbia. This finding is of conservation importance and has implications for natural biological control of ten-lined June beetles, Polyphylla decemlineata (Say) and P. crinita LeConte (Coleoptera: Scarabaeidae), incidental agricultural pests in the Okanagan.
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