house fly on the windshield dirty, chrysomya megacephala fabricius, musca domestica, fly contagious diseases

annoying biological biology bizarre blow bug buzz chrysomya closeup compound contagious control crawl creepy critter detail diptera dirty diseases disgusting disturb domestica element engraved engraving eyes fabricius flapping fly glass house housefly infection infestation insect irritation legs macro megacephala musca nature neighbor nuisance objects parasite paw pest reflection science survival thorax unhygienic window windshield wings