How big can flies get?



  1. 0 Votes

    According to, at medium size the common house fly is 1/6 to 1/4 inch long. Female house flies tend to be larger than male house flies. The horse fly breed can grow up to 1 1/4 inch long, making it the largest fly breed in North America and many other places in the world. Africa’s largest fly, the rhinoceros bot fly, can grow up to 1.6 inches with wingspans as large as 2.8 inches. The distinction of “true fly” means a fly has just two normal wings and belongs to the order Diptera. The order Diptera has over 86,000 known members, 16,300 of which are in North America. While there is no known record for the world’s largest fly, it can probably be found in either the wide variety of types of horse flies or the specific genus of the rhinoceros bot fly and its close relatives. 

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