Fall is bot fly season! These little buggers lay their eggs in the horses hair. The eggs hatch and then the larvae migrate into the tissue of the tongue, periodontal pockets surround the molars and premolars, and stay there for up to 21 days Larvae then travel to the stomach after about 4 weeks in the oral cavity. After this they travel to the stomach and are eventually passed. They then live in the waste for several weeks, until full grown, and then the cycle starts again. Bot larvae can live i