Nasonia longicornis
Nasonia longicornis is a species of pteromalid wasp in the family Pteromalidae. It can be identified by the structure of its antennae. It is a parasitoid of Protocalliphora pupae, usually found in birds' nests. The species is found in western North America. Females usually only mate once in their lifetime.

References

Pteromalidae
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Insects described in 1990
Hymenoptera of North America