Shaft Louse vs Orizaba Silk Moth

Side-by-side species comparison

Attribute Shaft Louse Orizaba Silk Moth
Scientific Name Menopon gallinae Rothschildia orizaba
Order Phthiraptera Lepidoptera
Family Menoponidae Saturniidae
Size 1.5-2 mm 110-145 mm
Habitat Farmland Forests
Diet Omnivores Omnivores
Regions Europe, Asia, Africa, North America, South America, Oceania Mexico, Central America, southwestern United States
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.

Orizaba Silk Moth

A magnificent New World silk moth with large reddish-brown wings bearing conspicuous triangular clear windows. It was historically reared for its silk in parts of Mexico.

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Did You Know?

Indigenous peoples of Mexico once used the silk from Rothschildia orizaba cocoons to weave a coarse fabric, making it one of the few New World silk moths commercially utilized.