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Arthropods of Forensic Importance on Pig Carrion in the Coahuilan Semidesert, Mexico

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This is the first report of an ongoing research to establish a sarcosaprophagous arthropod database in the Coahuilan semidesert. Seven pigs (Sus scrofa L.) were used as human models to determine succession in an open urban area during the 2007 winter–spring period. Arthropods were collected manually and from pitfall traps. Carcass biomass loss, as well as arthropod colonization, was recorded during 71 days postmortem. Five decomposition stages were identified during which most abundant orders were found to be Diptera, Coleoptera, and Hymenoptera. Lucilia sericata (Meigen), Chrysomya rufifacies (Macquart), Necrobia rufipes (DeGeer), Dermestes maculatus (DeGeer), Pheidole hyatti Emery, and Pogonomyrmex rugosus Emery stood out as dominant species.

Keywords: Mexico; arthropods; forensic entomology; forensic science; pigs; semidesert; succession

Document Type: Research Article


Affiliations: 1: Posgrado en Ciencias Agrarias UAAAN-UL, Periferico Raul Lopez Sanchez km 2, Torreon, Coahuila, CP 27059, Mexcio. 2: Calzada Antonio Narro 1923, Col. Buenavista, Saltillo, Coahuila, CP 25315, Mexcio. 3: School of Criminology, Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada.

Publication date: 2010-07-01

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