Behold the face that bites you!
By special request this week's image is the face of a horsefly (Diptera: Tabanidae: Tabanus). The males feed primarily on nectar and pollen but the females thirst for blood to nourish the development of their eggs. Horseflies and their close relatives, the deerflies, can become a serious nuisance and in the United States they are known to have spread the bacterial diseases anthrax and tularemia.
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