Potential food source for poultry. House fly degrade manure, feed house fly to poultry Blue bottle flies and blow flies used during Civil War to clean wounds. Eat bacteria, produce antibiotics, prevent gangrene.
Adults are free-living.
Parasitoids attack other insects, spiders, and snails, but not vertebrates Because parasitoids live in or on their hosts, they are always smaller than their hosts Parasitoids - highly specialized group. Effect on population like a predator. Definition - Live in close association with an animal host at its expense without causing its death. Live in or on its host for much of their lives. Generally have a single host or a few hosts.