Australian Sheep Blowfly vs Black Horse Fly

Side-by-side species comparison

Attribute Australian Sheep Blowfly Black Horse Fly
Scientific Name Calliphora augur Tabanus atratus
Order Diptera Diptera
Family Calliphoridae Tabanidae
Size 10-13 mm 20-28 mm
Habitat Farmland Farmland
Diet Carrion Feeders Blood Feeders
Regions Australia Eastern United States from the Great Plains to the Atlantic coast
Conservation Least Concern Least Concern

Australian Sheep Blowfly

A large, dark blue blow fly endemic to Australia with a distinctive orange face and cheeks. It is one of the earliest colonizers of carrion in Australian conditions and is used in forensic entomology. Occasionally it contributes to secondary blowfly strike in sheep.

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Did You Know?

Its bright orange face distinguishes it from other blue blow flies and makes it one of the most recognizable forensic indicator species in Australia.

Black Horse Fly

A very large entirely black horse fly and one of the biggest flies in North America. Females are persistent blood-feeders that can harass livestock and humans during summer months.

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Did You Know?

Its larvae are aquatic predators that live in muddy pond bottoms and can take up to two years to complete development.