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Insect Signature Indicating Corpse Movement From Urban to Rural Areas of Northeast Ohio

Hans, Krystal R.
http://rave.ohiolink.edu/etdc/view?acc_num=csu1295366688

Abstract Details

2011, Master of Science in Biology, Cleveland State University, College of Sciences and Health Professions.
The distribution of insects geographically may provide evidence that indicates the movement of human remains from one location to another. The aims of this study were: (1) to observe insect succession in an urban and rural area in northeastern Ohio to document differences in the entomofaunal succession, and (2) to determine if there is an insect signature associated with a body moved from an urban to a rural area. It was hypothesized that there would be a difference in species composition between the urban and rural sites and the body moved would retain insect evidence indicating initial exposure to an urban insect community. The insect signature of a moved corpse should differ from that of the urban and rural corpses. Six 12-19 kg domestic pig carcasses were obtained and placed in the following locations: two in a rural area of Cuyahoga County, and four in an urban area on Cleveland State University campus. After 24 hours, two of the carcasses from the urban location were moved to the rural location. Each carcass was sampled by hand sorting, aerial sweep netting and pitfall traps from 16 June 2009 to 1 August 2009. Most of the specimens were collected within the first four weeks of the study and included both adult and larval samples. All three carcass types supported a similar array of blow flies (Diptera: Calliphoridae) and beetles (Coleoptera). The dominant calliphorid, Phormia regina, represented approximately 66% of all specimens collected and was similarly represented on all carcass types. Although there were a few species unique to the urban or rural treatments, statistically there was no significant difference in insect composition between the treatments. Our analysis revealed that although species dominance and presence/absence of taxa may not indicate body movement in northeast Ohio, it does provide a database of forensically important insects which may be useful in future investigations.
Joseph Keiper, PhD (Advisor)
Jeffrey Dean, PhD (Advisor)
Julie Wolin, PhD (Committee Member)
80 p.
Biology; Ecology; Entomology
Blow flies; decomposition; forensic

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Citations

  • Hans, K. R. (2011). Insect Signature Indicating Corpse Movement From Urban to Rural Areas of Northeast Ohio [Master's thesis, Cleveland State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=csu1295366688

    APA Style (7th edition)

  • Hans, Krystal. Insect Signature Indicating Corpse Movement From Urban to Rural Areas of Northeast Ohio. 2011. Cleveland State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=csu1295366688.

    MLA Style (8th edition)

  • Hans, Krystal. "Insect Signature Indicating Corpse Movement From Urban to Rural Areas of Northeast Ohio." Master's thesis, Cleveland State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=csu1295366688

    Chicago Manual of Style (17th edition)

csu1295366688
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© 2011, all rights reserved.
This open access ETD is published by Cleveland State University and OhioLINK.