The female blue bottle fly lays her eggs where she feeds, usually in detritus. Larvae, also called maggots, hatch from the eggs and begin feeding on the decomposing matter where they hatched. After a few days of feeding they are fully grown and crawl away to burrow into soil or dry matter to pupate into tough brown cocoons. After 2-3 weeks, the adults emerge to mate. During cold weather, pupae and adults can hibernate until warmer temperatures revive them.
- Blow Flies In: Common Kentucky House Flies, Blow Flies, Flesh Flies, & Tachinid Flies (Blake Newton In: The Kentucky Critter Files, Department of Entomology, University of Kentucky)
- Blue bottle: Calliphora vomitoria (The PLANT PRESS, Natural England)
- Descriptions of Families of Flower-Visiting Flies (In: Insect Visitors of Illinois Flowers, Copyright 2002-2007 John Hilty)
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