Ripiphorus fasciatus is a species of wedge-shaped beetle with parasitoid larvae. R. fasciatus likely parasitizes Halictid bees; all Ripiphorus parasitize ground-nesting bees.
Description R. fasciatus has clear hindwings, plumose antenna, and superficially resembles a bee or fly.
Range This species has been documented in the northeastern United States and Eastern Canada.
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