Coelioxys sodalis is a bee from the family Megachilidae, one of numerous kleptoparasitic bees in the tribe Megachilini. Members of the genus Coelioxys exhibit kleptoparasitic behavior in that they lay their eggs in the nests of other bees, typically those of the related genus Megachile. As this behavior is similar to that of cuckoos, such bees are referred to as cuckoo bees. These host-parasite relationships are complex. Host insects of the brood parasite C. sodalis include Megachile melanophaea, M. texana, and M. rotundata.

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