Pictured Rove Beetle vs Flat Bark Hister Beetle

Side-by-side species comparison

Attribute Pictured Rove Beetle Flat Bark Hister Beetle
Scientific Name Paederus littoralis Hololepta plana
Order Coleoptera Coleoptera
Family Staphylinidae Histeridae
Size 7-10mm 7-10 mm
Habitat Wetlands Woodlands
Diet Predators Wood Feeders
Regions Europe, Asia, Africa Eastern North America
Conservation Least Concern Least Concern

Pictured Rove Beetle

A slender black and orange rove beetle with short elytra exposing most of its abdomen. It contains the toxin pederin which causes severe skin blisters.

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Did You Know?

Pederin produced by symbiotic bacteria in the beetle is more potent drop for drop than cobra venom but is only released when the beetle is crushed on skin.

Flat Bark Hister Beetle

An extremely flattened, disc-like black beetle found under bark of dead trees. Its body is compressed to fit in the narrow space between bark and wood.

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Did You Know?

Its body is so flat it can squeeze into gaps less than 2 mm wide to pursue prey under tight-fitting bark.