The Robber Flies (Dlptera: Asilidae) of a Festuca Grassland in the Okanagan Valley, British Columbia

Robert A. Cannings

Abstract


The robber flies of a small area of grassland at Penticton, B.C. were studied; information on 21 species in 17 genera was gathered during ten years of sporadic collecting. The habitat, dominated by the bunchgrass, Festuca scabrella and the shrub, Chrysothamnus nauseosus, is briefly described. Flight periods, data on prey, and zoogeographic notes are included.


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