Polished Rove Beetle vs Dark-Horned Casemaker

Side-by-side species comparison

Attribute Polished Rove Beetle Dark-Horned Casemaker
Scientific Name Philonthus politus Psilotreta labida
Order Coleoptera Trichoptera
Family Staphylinidae Odontoceridae
Size 9-13 mm 10-14 mm
Habitat Underground Woodlands
Diet Detritivores Detritivores
Regions Europe, Asia, North Africa North America
Conservation Least Concern Least Concern

Polished Rove Beetle

A medium-sized rove beetle with an exceptionally smooth, polished black integument and reddish-brown legs. It is a generalist predator found in a wide range of decomposing organic substrates.

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Did You Know?

This species produces antimicrobial compounds in its defensive secretions that help protect it from the pathogen-rich environments it inhabits.

Dark-Horned Casemaker

A North American caddisfly building curved tubular cases from sand grains. Larvae are found in small shaded woodland streams.

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Did You Know?

Adults are entirely nocturnal and are rarely seen despite being locally common.