Large Turkey Louse vs Shaft Louse

Side-by-side species comparison

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

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.

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.