Large Birch Cimbicid vs Long-winged Barklouse

Side-by-side species comparison

Attribute Large Birch Cimbicid Long-winged Barklouse
Scientific Name Cimbex connatus Ectopsocus briggsi
Order Hymenoptera Psocoptera
Family Cimbicidae Ectopsocidae
Size 18-28 mm 2-3 mm
Habitat Woodlands Woodlands
Diet Herbivores Herbivores
Regions Northern and Eastern Europe, Siberia Europe, North America, Australasia
Conservation Least Concern Least Concern

Large Birch Cimbicid

A very large sawfly, closely related to C. femoratus, with a massive body and distinctly clubbed antennae. Adults vary in color from yellowish to dark brownish-black.

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Did You Know?

This species was once confused with C. femoratus until detailed morphological studies separated them as distinct species based on antennal and genital characters.

Long-winged Barklouse

A widespread bark louse found on tree trunks and dead leaves across Europe and introduced to other continents. It has long narrow wings.

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Did You Know?

It has successfully colonized multiple continents through accidental human transport.