Tunnel Beetle vs Wasp Twisted-Wing Parasite

Side-by-side species comparison

Attribute Tunnel Beetle Wasp Twisted-Wing Parasite
Scientific Name Lymexylon navale Xenos vesparum
Order Coleoptera Strepsiptera
Family Lymexylidae Xenidae
Size 7-16mm 2-5 mm (males)
Habitat Woodlands Woodlands
Diet Wood Feeders Parasites
Regions Europe Europe
Conservation Least Concern Least Concern

Tunnel Beetle

A slender cylindrical beetle whose larvae bore straight tunnels through oak timber. Historically damaged ship timber.

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Did You Know?

Was a major pest of oak shipbuilding timber, boring tunnels that weakened the hulls of wooden warships.

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.