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Sarcophaga bullata
''Sarcophaga bullata'', or the grey flesh fly, is a species of fly belonging to the family Sarcophagidae. It varies in size from small to large, 8 to 17 millimeters in length and is very similar in appearance and behavior to a closely related species, ''Sarcophaga haemorrhoidalis''. ''S. bullata'' is a common scavenger species in the Eastern United States, but is found throughout the Nearctic region. Identification down to the species level in the Sarcophagidae family is notably difficult and relies primarily on the male genitalia.〔
〕 Though limited information is available regarding ''S. bullata'', it has gained increasing recognition in the field of forensic entomology as a forensically-relevant fly species, as it may be among the first species to colonize human remains. In these instances, recovered maggots may be analyzed for post-mortem interval (PMI) estimations, which may be used as evidence in courts of law.〔 Current studies regarding ''S. bullata'' have revealed a maternal effect operating in these flies that prevents pupal diapause under certain environmental conditions, which is an important factor to be considered during forensic analyses.
== Taxonomy ==
Classification of the species has also proved difficult, as it has for much of the Sarcophagidae family. C.H. Murran, for instance, included Sarcophagidae in a larger family, Metopidae, that added some Muscidae and some Tachinidae. Most, however, consider ''S. bullata'' to be a member of the Sarcophaginae subfamily within Sarcophagidae. Beyond that, the family can be split into tribes before defining genus. ''S. bullata'' is widely accepted to be a member of the ''Sarcophaga'' genus, but it is also included by some into a subgenus, Neobellieria.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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