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The Scenario The badly decomposing body of a young adult female approximately 65kg is recovered from a freshwater stream The body is floating at the surface when it is discovered and is caught on some branches The body is recovered from the water and taken to the Victorian Institute of Forensic Medicine for an autopsy and toxicological testing but the cause of death cannot be ascertained ConditionInsects The body was found floating in a freshwater stream it is most likely to have both terrestrial and aquatic maggot inhabitants colonising the body Byrd Castner 2001 maggots are the primary insects in carrion Wallman 2002 Terrestrial insects would only colonise the parts of the body that are not covered by the water these may include Lucila sericata Meigen Calliphoridae Diptera Lucilia Cuprina Weidermann Calliphoridae Diptera Australian Museum online 2003 Chrysomya rufifacies Macquart Calliphoridae Diptera Byrd 1998 Musca domestica Linnaeus MuscidaeDipteraSarcophaga aurifrons Macquart Sarcophagidae Diptera Geocities website 2005 Ptomaphila perlata Kraatz Silphidae Coleoptera Dermestes cadavaverinus Fabricius Dermestidae ColeopteraCreophilus erythrocephalus Fabricius Staphlinidae ColeopteraAustralian Museum online 2003 The following two insects also place their larvae on carrion but are considered aquatic because they have aquatic larva these include Asmicridea edwardsi McLachlan HydropsychidaeTricoteraCreophilus grisea Mosely hydropsychidae TricopteraAustralian Government Department of Agriculture Fisheries and Forestry 2004 All the above listed insects should appear on the carrion at various stages providing that the carrions environment is appropriate to each insects requirements however the species that are most important to forensic entomology are from the orders Diptera flies and Coleoptera beetles Amendt Krettek Zehner 2004 Identification In this case the young females body is too severely decomposed to make a visual identification and with no identification eg Drivers License on the body to identify her other methods need to be administered for identification Fingerprinting and DNA analysis are unique to an individual Saferstein 1997 and dental records Hall 1997 which are all
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