Speonomus Cave Beetle vs Horntail Wasp

Side-by-side species comparison

Attribute Speonomus Cave Beetle Horntail Wasp
Scientific Name Speonomus pyrenaeus Urocerus gigas
Order Coleoptera Hymenoptera
Family Leiodidae Siricidae
Size 3-4 mm 25-40 mm
Habitat Caves Forests
Diet Fungus Feeders Fungus Feeders
Regions France, Spain Europe, Asia
Conservation Least Concern Least Concern

Speonomus Cave Beetle

A small cave beetle from the Pyrenees known for its extreme cave adaptations. It has vestigial eyes and elongated sensory structures.

💡

Did You Know?

The genus Speonomus contains over 100 cave-adapted species in the Pyrenees alone.

Horntail Wasp

A large wood wasp that injects symbiotic fungus into trees along with its eggs.

💡

Did You Know?

The injected fungus softens the wood to make it digestible for the larvae.