Encyclopedia Article


Horsefly, also spelled horse fly, is the common name for any of more than 2000 insects from the family Tabanidae. The male horsefly feeds on pollen and nectar while the female horsefly feeds on blood and is a common pest of animals and sometimes humans. These flies range in size from as small as a housefly to as large as a bumblebee and are found all around the world.

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"Black Horse Fly" by Sam Droege is licensed under CC BY.

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