Yellow Fly vs Horn Fly

Side-by-side species comparison

Attribute Yellow Fly Horn Fly
Scientific Name Diachlorus ferrugatus Haematobia irritans
Order Diptera Diptera
Family Tabanidae Muscidae
Size 10-14 mm 3-5 mm
Habitat Beaches & Coastal Farmland
Diet Blood Feeders Blood Feeders
Regions Southeastern North America, Central America Worldwide
Conservation Least Concern Least Concern

Yellow Fly

A medium-sized yellowish horse fly notorious for its aggressive biting. It is particularly abundant in the coastal southeastern United States.

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Did You Know?

It is considered one of the most painful biting flies in the southeastern United States.

Horn Fly

A small blood-feeding fly that spends almost its entire life on cattle. It clusters at the base of horns and along the back and belly.

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Did You Know?

Each fly feeds up to 40 times daily, and infestations of thousands per animal cause severe weight loss.