Facts about Black Flies
- Small humpbacked flies that develop in clear
running water
- The adults live for about 2-3 weeks
- Females feed on blood, males on nectar
- Black flies bite in the middle of the day
- As the female bites, she injects saliva into
the skin, which is highly irritating and leads to swelling and itching
- Females deposit from 150 to 500 eggs in
submerged vegatation. The eggs hatch in four to five days.
For more information on black flies, visit Texas
A & M University