Ant-nest Scydmaenine vs Four-Spotted Hister Beetle

Side-by-side species comparison

Attribute Ant-nest Scydmaenine Four-Spotted Hister Beetle
Scientific Name Cephennium gallicum Hister quadrimaculatus
Order Coleoptera Coleoptera
Family Staphylinidae Histeridae
Size 1-1.5 mm 5-7 mm
Habitat Caves Heathland
Diet Predators Dung Feeders
Regions Western Europe, Mediterranean Europe
Conservation Least Concern Least Concern

Ant-nest Scydmaenine

A tiny, blind, pale yellow scydmaenine rove beetle found exclusively in ant nests. Its reduced eyes and pigmentation indicate a highly specialized subterranean lifestyle among ants.

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Did You Know?

This beetle's pale, eyeless form is a classic example of convergent evolution with cave-dwelling organisms, achieved through adaptation to permanent darkness in ant nests.

Four-Spotted Hister Beetle

A glossy black hister beetle with four orange-red spots on its wing cases. It is associated with mammal dung in pastures and heathlands.

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Did You Know?

It typically arrives at fresh dung within the first hour and remains for several days until the pat dries out.