Large-winged Barklouse vs Black Cocktail-Ant Rove Beetle

Side-by-side species comparison

Attribute Large-winged Barklouse Black Cocktail-Ant Rove Beetle
Scientific Name Psocus leidyi Lomechusa pubicollis
Order Psocoptera Coleoptera
Family Psocidae Staphylinidae
Size 3.0-5.0 mm 4-6 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Omnivores
Regions North America Europe, Northern Asia
Conservation Not Evaluated Least Concern

Large-winged Barklouse

A conspicuous barklouse with large patterned wings found on deciduous trees. Adults are active in late summer and autumn.

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Did You Know?

Despite their delicate appearance, winged barklice are surprisingly strong fliers and are attracted to lights at night.

Black Cocktail-Ant Rove Beetle

A myrmecophilous rove beetle that lives inside ant nests. It secretes chemicals that trick ants into feeding and caring for it.

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Did You Know?

Its adoption glands produce substances so appealing to ants that they prioritize feeding the beetle over their own larvae.