The collection of forensically significant entomological data involving Diptera and Coleoptera and the determination of temperature correction factors at three differing ecological sites in southern New Jersey
The collection of forensically significant entomological data involving Diptera and Coleoptera and the determination of temperature correction factors at three differing ecological sites in southern New Jersey
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Issue Date
2008
Authors
Rivera, Carlos J.
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Abstract
Forensically significant native Diptera and Coleoptera inhabit a carcass in specific succession. These arthropods are identified for specific locations to be effective for forensic application. Blowflies (Diptera) are primary tie in estimating PMI. Three Sus scrofa L. carcasses were exposed during winter in different ecological niches to determine arthropod succession patterns and rates of carrion decomposition in southern New Jersey. The carcasses were exposed to deep woods, edge of woods and field, and marsh land. The edge of woods and field carcass showed the BS. arthropod diversity due to the edge effect. Cynomyopsis cadaverina (Diptera) was first to oviposit on the carrion, making it the primary indicator for PMI determinations. Oviposition was delayed one week. In sixty days, the carcasses decomposed to stage two. Forensic entomologists rely on temperatures reported by weather stations for PMI determinations. Analysis showed no statistical difference between reported temperatures and actual temperatures at the sub-sites.