Large Turkey Louse vs Cattle Sucking Louse

Side-by-side species comparison

Attribute Large Turkey Louse Cattle Sucking Louse
Scientific Name Chelopistes meleagridis Linognathus vituli
Order Phthiraptera Phthiraptera
Family Philopteridae Linognathidae
Size 3-5 mm 1.5-2.5 mm
Habitat Farmland Farmland
Diet Omnivores Blood Feeders
Regions North America, Europe Worldwide
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.

Cattle Sucking Louse

A blood-sucking louse found on calves and young cattle worldwide. It has a distinctive long narrow head adapted for piercing skin.

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Did You Know?

Heavy infestations on calves can cause severe anemia and even death in young animals.