Diapriidae
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Diapriidae is a family of insects belonging to the order Hymenoptera. These tiny wasps (with an average length of 2-3 mm and never exceeding 6 mm) are parasitoids on the larvae and pupae of a wide range of insects, especially flies. There are about 2300 described species in 150 genera and the group has a global distribution.
Diapriids show considerable diversity of form with aptery (lack of wings) fairly common, sometimes in both sexes. Nearly all species exhibit noticeable sexual dimorphism with males and females often mistaken for separate species. The wings, when present, show characteristically reduced venation.
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