Wasp Twisted-Wing Parasite vs Hornet Strepsipteran

Side-by-side species comparison

Attribute Wasp Twisted-Wing Parasite Hornet Strepsipteran
Scientific Name Xenos vesparum Xenos myrapetrus
Order Strepsiptera Strepsiptera
Family Xenidae Xenidae
Size 2-5 mm (males) 4.0-6.0 mm (males)
Habitat Woodlands Woodlands
Diet Parasites Parasites
Regions Europe Africa
Conservation Least Concern Not Evaluated

Wasp Twisted-Wing Parasite

An endoparasite of paper wasps where females spend their entire life inside the wasp host. Parasitized wasps are castrated and abandon their colony duties.

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Did You Know?

Female Xenos never leave their wasp host — they live, mate, and give birth to thousands of larvae while permanently embedded in the wasps abdomen.

Hornet Strepsipteran

A large strepsipteran parasite of hornets and social wasps in tropical Africa. Males have distinctive fan-shaped hindwings.

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Did You Know?

Male strepsipterans have large eyes with only about 50 facets each, giving them the coarsest visual resolution of any insect.