What Are Fly Exterminators

These tiny USDA approved insects are the natural enemy of flies. Fly Exterminators do not bite, sting, swarm or bother humans or animals. Fly Exterminators are nocturnal, flying 8-10 inches off the ground and are rarely seen during the day.
Fly Exterminators control flies in animal manure accumulations and other filth fly breeding sites. Effective against; houseflies, biting stable flies, garbage flies and the lesser housefly, which make up 95% of flies.

(Muscidifurax raptorellus)
Fly Exterminator aka Fly Parasite