Large Turkey Louse vs Turnip Sawfly

Side-by-side species comparison

Attribute Large Turkey Louse Turnip Sawfly
Scientific Name Chelopistes meleagridis Athalia rosae
Order Phthiraptera Hymenoptera
Family Philopteridae Tenthredinidae
Size 3-5 mm 6-8 mm
Habitat Farmland Farmland
Diet Omnivores Herbivores
Regions North America, Europe Europe, Asia
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.

Turnip Sawfly

A small orange and black sawfly whose larvae defoliate brassica crops.

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Did You Know?

Larvae sequester glucosinolates from their food plants for chemical defense.