Speonomus Cave Beetle vs Alabama Cave Silverfish

Side-by-side species comparison

Attribute Speonomus Cave Beetle Alabama Cave Silverfish
Scientific Name Speonomus pyrenaeus Speleonycta sp. nov. Alabama
Order Coleoptera Zygentoma
Family Leiodidae Nicoletiidae
Size 3-4 mm 8-12 mm
Habitat Caves Caves
Diet Fungus Feeders Fungus Feeders
Regions France, Spain United States
Conservation Least Concern Data Deficient

Speonomus Cave Beetle

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

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Did You Know?

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

Alabama Cave Silverfish

A recently described cave silverfish from northern Alabama caves. It is completely blind and unpigmented, representing a new genus.

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Did You Know?

It was described in 2024, showing that new cave species are still being found in well-explored regions.