Shaft Louse vs Large Turkey Louse

Side-by-side species comparison

Attribute Shaft Louse Large Turkey Louse
Scientific Name Menopon gallinae Chelopistes meleagridis
Order Phthiraptera Phthiraptera
Family Menoponidae Philopteridae
Size 1.5-2 mm 3-5 mm
Habitat Farmland Farmland
Diet Omnivores Omnivores
Regions Europe, Asia, Africa, North America, South America, Oceania North America, Europe
Conservation Least Concern Least Concern

Shaft Louse

A fast-moving louse found on the feather shafts of chickens and other poultry. It feeds primarily on feather barbs and can cause significant plumage damage.

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Did You Know?

Shaft lice can run so quickly across feathers that they are difficult to catch even with practiced fingers during bird examinations.

Large Turkey Louse

The largest louse found on domestic turkeys, feeding on feather material. It prefers the breast and thigh feathers of its host.

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Did You Know?

Benjamin Franklin studied this louse while advocating for the turkey as America's national bird.