Narrow-Necked Cave Beetle vs Snow Scorpionfly

Side-by-side species comparison

Attribute Narrow-Necked Cave Beetle Snow Scorpionfly
Scientific Name Leptodirus hochenwartii Boreus hyemalis
Order Coleoptera Mecoptera
Family Leiodidae Boreidae
Size 8-10 mm 3-5 mm
Habitat Caves Forests
Diet Omnivores Omnivores
Regions Europe Europe
Conservation Vulnerable Least Concern

Narrow-Necked Cave Beetle

The first cave-dwelling animal ever scientifically described, in 1832. Completely eyeless and unpigmented, with an elongated neck-like pronotum adapted to cave life.

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Did You Know?

Described in 1832, this was the first troglobite ever known to science — its discovery launched the entire field of cave biology and biospeleology.

Snow Scorpionfly

A tiny wingless scorpionfly active in winter, walking on snow near mossy habitats. Its vestigial wings are reduced to hook-like structures used during mating.

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Did You Know?

Snow scorpionflies are most active at temperatures near freezing and can sometimes be found by the hundreds walking across snow-covered moss.