'Deer flies' (''Chrysops spp.'') are
flies of the family
Tabanidae that can be
pests of
cattle,
horses, and
humans.
Deer flies are similar to
horse-flies, being smaller, having coloured eyes, and with dark bands across their wings. While female deer flies feed on blood, males instead collect pollen. When feeding, females use their knife-like mandibles and maxillae to make a cross-shaped incision and then lap up the blood. They are potential vectors of
tularemia and
loa loa filariasis.
The bite becomes painful immediately. The best way to treat a bite is with alcohol to prevent infection.
They are often found in damp environments, such as
wetlands or forests.
References
★
University of Florida