In rotting things, mostly. Check trash cans, recycle bins, and any place there might be manure or rotting waste of any kind. Any place dark and damp and nasty. There may be something spilled or forgotten in the back of a cupboard that's gone bad, for example. read more
House flies typically lay eggs on animal feces and garbage. White, legless maggots (the larval stage) hatch from the eggs and grow to about ½ inch. When fully grown, maggots crawl away from their food source to undergo the pupal stage. read more