Flesh Flies (Sarcophaga haemorrhoidalis) mating. Much larger and striking in appearance compared to the common housefly. Generally beneficial in nature the Red-tailed flesh flies are considered opportunistic feeders on carrion and human and animal waste. They are also a high protein food source for birds - especially the Great Crested Flycatchers. They play an important role in decomposition and are rarely a problem around humans if proper sanitation is practiced. They occur everywhere in the wild even in the remotest areas. Near wild areas like where this video was taken they usually occur in very low densities and are rarely seen and have little impact on humans and pets, but will find all animal carcasses and begin the process of decomposition. Sarcophaga haemorrhoidalis is particularly important to forensic entomology as it can be the first, or one of the first, arthropods to arrive at a corpse. The species is a strong flyer and has the ability to fly in inclement weather when other arthropod species are unable to fly. Sarcophaga haemorrhoidalis is most often associated with corpses found inside buildings, especially in the summer months in southeastern United States.
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