Wasp Nest Beetle vs Asian Xenid

Side-by-side species comparison

Attribute Wasp Nest Beetle Asian Xenid
Scientific Name Metoecus paradoxus Xenos oxyodontes
Order Coleoptera Strepsiptera
Family Ripiphoridae Xenidae
Size 8-12mm 3.0-4.5 mm (males)
Habitat Woodlands Woodlands
Diet Parasitoids Parasites
Regions Europe Asia
Conservation Least Concern Not Evaluated

Wasp Nest Beetle

A bizarre wedge-shaped beetle that develops as a parasitoid inside social wasp nests. Males have feathery antennae.

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Did You Know?

One of the most unusual beetles in Europe, spending its entire larval development inside live wasp nests.

Asian Xenid

A strepsipteran parasite of Ropalidia paper wasps in tropical Asia. It modifies host wasp social behavior and colony dynamics.

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Did You Know?

Parasitized worker wasps become lazy freeloaders that beg food from nestmates instead of foraging.