Rock Crawler vs Ant-nest Scydmaenine

Side-by-side species comparison

Attribute Rock Crawler Ant-nest Scydmaenine
Scientific Name Grylloblatta bifratrilecta Cephennium gallicum
Order Grylloblattodea Coleoptera
Family Grylloblattidae Staphylinidae
Size 15-25mm 1-1.5 mm
Habitat Caves Caves
Diet Scavengers Predators
Regions North America Western Europe, Mediterranean
Conservation Near Threatened Least Concern

Rock Crawler

A pale wingless insect living on high-altitude ice and snowfields. It is active only at near-freezing temperatures.

💡

Did You Know?

Restricted to tiny patches of permanently cold habitat and acutely threatened by climate change warming its mountain homes.

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.

💡

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.