close-up of houseflies feeding on decomposing organic matter, highlighting insect behavior and waste.

flies insects decomposition organic waste decay feeding nature biology houseflies food carrion environment macro behavior swarm pests garbage ecology infestation closeup rotting contamination life cycle breeding entomology habitat microorganisms ecosystem scavengers survival sanitation filth wildlife disease pollution scavenging detail bacteria insectspecies dirt health urban decayprocess insectsbehavior pestcontrol macrophoto ai generated