Stages of Development
The horn fly undergoes complete metamorphosis, and has four major stages of development:
The first stage is the egg, which is laid in fresh feces, and hatches quickly. The resulting larval (maggot) stage, which consists of three larval instars (wingless), develops quickly and can last as little as four days. This is followed by the still immature pupa stage (also wingless) which lasts around six to eight days and finally the mature, winged adult stage.
Generational time may be as little as ten days under ideal conditions, but under less favorable circumstances can average between 14 to 18 days.
Read more about this topic: Haematobia Irritans
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—Anna Quindlen (b. 1952)
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—Ellen Galinsky (20th century)