American Hoverfly vs Horse Sucking Louse

Side-by-side species comparison

Attribute American Hoverfly Horse Sucking Louse
Scientific Name Eupeodes americanus Haematopinus asini
Order Diptera Phthiraptera
Family Syrphidae Haematopinidae
Size 8-11 mm 2.5-3.5 mm
Habitat Farmland Farmland
Diet Predators Blood Feeders
Regions North America Worldwide
Conservation Least Concern Least Concern

American Hoverfly

A widespread North American hoverfly with yellow and black markings. Larvae are voracious aphid predators in crop fields.

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Did You Know?

A single larva can consume several hundred aphids before pupating.

Horse Sucking Louse

A large blood-sucking louse found on horses, donkeys, and mules. It prefers areas with long hair such as the mane, forelock, and tail base.

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Did You Know?

Infested horses develop a rough, dull coat and the constant irritation can cause significant weight loss.