There are about 4,500 species of horse fly. These flies are known for the painful bite that many have. Horse flies mostly eat nectar, but females must eat blood before laying eggs. The black horse fly lives mostly in the eastern US. It often attacks farm animals, causing serious blood loss. It can also carry diseases that harm animals and people.
- “Horsefly.” Wikipedia, the Free Encyclopedia. Available from: http://en.wikipedia.org/wiki/Horse-fly
- Long, W. 2001. "Tabanus atratus" (On-line), Animal Diversity Web. Accessed January 26, 2012 http://animaldiversity.ummz.umich.edu/site/accounts/information/Tabanus_atratus.html.
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