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Psilochalcis
Psilochalcis is a genus of chalcidid wasps in the family Chalcididae, established by Kieffer in 1905. The genus contains at least 20 described species, with additional undescribed species known from North America. Two species, P. minuta and P. quadratis, have been studied in detail in the Eastern Great Basin of Utah, where they exhibit habitat-specific associations with pinyon/juniper and cheatgrass-dominated vegetation respectively. Members of this genus are parasitoid wasps, with at least one species documented to oviposit in the pupal stage of host insects.