South American Locust vs Long-winged Barklouse

Side-by-side species comparison

Attribute South American Locust Long-winged Barklouse
Scientific Name Schistocerca cancellata Ectopsocus briggsi
Order Orthoptera Psocoptera
Family Acrididae Ectopsocidae
Size 45-65 mm 2-3 mm
Habitat Deserts & Drylands Woodlands
Diet Herbivores Herbivores
Regions Argentina, Bolivia, Paraguay, Uruguay Europe, North America, Australasia
Conservation Least Concern Least Concern

South American Locust

A major swarming locust of South America closely related to the desert locust. It periodically forms devastating swarms across Argentina, Bolivia, and Paraguay.

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Did You Know?

After decades of suppression, this species made an unexpected resurgence in Argentina in 2015, forming swarms not seen since the 1950s.

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.