Narrow-Necked Cave Beetle vs Archangel Longitarsus

Side-by-side species comparison

Attribute Narrow-Necked Cave Beetle Archangel Longitarsus
Scientific Name Leptodirus hochenwartii Longitarsus ganglbaueri
Order Coleoptera Coleoptera
Family Leiodidae Chrysomelidae
Size 8-10 mm 1.5-2.5 mm
Habitat Caves Woodlands
Diet Omnivores Root Feeders
Regions Europe Central and Western 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.

Archangel Longitarsus

A minute flea beetle associated with yellow archangel in European woodlands. Larvae mine in the roots of labiates. Very easily overlooked due to its tiny size.

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Did You Know?

Despite being barely visible to the naked eye, these tiny beetles can jump over 50 times their own body length.