What Causes Bottle Flies
What Attracts Them. Because They Eat Decaying Flesh, Blue Bottle Flies in the House Sometimes Indicate a Decomposing Animal in an Attic or Wall Void. Outdoors...
What Attracts Them. Because they eat decaying flesh, blue bottle flies in the house sometimes indicate a decomposing animal in an attic or wall void. Outdoors, dead and decomposing animal carcasses, pet feces, and trash attract them, as well. … Blue bottle flies in homes can transmit diseases and bacteria between hosts.
Why are there lots of bluebottle flies in my house?
It is only when they appear in large numbers that they can become cause for concern, and this is usually the case for one of two reasons: Either there is infested food matter somewhere nearby, or there is the carcass of a dead animal in which the flies have laid their eggs.
Where do bottle flies come from?
Green bottle flies deposit eggs in decaying tissue, which the larvae feed on after hatching This is why the pests often swarm near and develop in dead animals in wall voids, crawl spaces, attics and garages. Outside homes green bottle fly preferred development sites are trashcans, spilled trash and animal feces.