Bot Fly Life Cycle at Life

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Bot Fly Life Cycle. • the adult bot fly lays eggs on the horse's hair coat (legs or head) during warm months. “bot flies have only one life cycle per year.

Oestrus ovis Alchetron, The Free Social Encyclopedia
Oestrus ovis Alchetron, The Free Social Encyclopedia from alchetron.com

Egg, larva, pupa, and adult. Bot fly larvae develop within the eggs, but remain on the vector until it takes a blood meal from a mammalian or avian host. The adults emerge to mate and repeat the cycle.

Oestrus ovis Alchetron, The Free Social Encyclopedia

Description and life cycle (back to top) horse bot flies undergo complete metamorphosis, including three larval instars (merial 2001). If an intermediate is used, the female grasps it, rotates it, and attaches. These eggs have and larvae come out. Adult flies arrive at body and immediately lay their eggs.