Know the stages of fly life cycle and what happens in each! This is very important and there are several questions about this information, so learn it.
- Egg: Found in moist, warm areas of body (mouth, eyes, ears, anus)
- Larva 1 (instar 1): Black mouth hooks visible (anterior), thin body, one spiracle slit near anus
- Larva 2 (instar 2): Black mouth hooks (anterior), dark crop seen on anterior dorsal side, feeds actively, two spiracle slits near anus
- Larva 3 (instar 3): Black mouth hooks, crop not visible, covered by fat deposits, fat body, three spiracle slits near anus
- Pre-pupa: Larva migrates away from body to a dry area
-Early and late pupa: Immobile, does not feed, changes to dark brown with age, "Balloon" inflates and deflates to help split open pupa case prior to adult emerging
- Adult: Incapable of flight for first few hours
