Red-bellied Rove Beetle vs Narrow-Necked Cave Beetle

Side-by-side species comparison

Attribute Red-bellied Rove Beetle Narrow-Necked Cave Beetle
Scientific Name Tasgius melanarius Leptodirus hochenwartii
Order Coleoptera Coleoptera
Family Staphylinidae Leiodidae
Size 15-20 mm 8-10 mm
Habitat Gardens Caves
Diet Predators Omnivores
Regions Europe, introduced to North America and Australia Europe
Conservation Least Concern Vulnerable

Red-bellied Rove Beetle

A large, shiny black rove beetle with a reddish-brown abdominal tip, found in synanthropic habitats across Europe. It is commonly encountered in gardens and urban areas where it hunts at night.

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Did You Know?

This beetle is one of the most synanthropic rove beetles, frequently entering houses and cellars where it is often mistaken for an earwig.

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.