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Forensic Entomology

Forensic Entomology. An Introduction Biol450. http://t2.gstatic.com/images?q=tbn:ANd9GcQjclpf39fua3S8EiCx4Qq5Ley_Zt0ylOJABgHSS1fcV5jewg2zyw. An Introduction to Forensic Entomology. What is forensic entomology? What are the stages of decomposition? What are some of the key players?.

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Forensic Entomology

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  1. Forensic Entomology An Introduction Biol450 http://t2.gstatic.com/images?q=tbn:ANd9GcQjclpf39fua3S8EiCx4Qq5Ley_Zt0ylOJABgHSS1fcV5jewg2zyw

  2. An Introduction to Forensic Entomology • What is forensic entomology? • What are the stages of decomposition? • What are some of the key players?

  3. What is forensic entomology? • Forensic entomology is the use of insects, or arthropods, to investigate legal cases. • Can involve both human and wildlife cases • Cases can be related to untimely deaths, neglect, and foul play • Can help pinpoint time of death, and location • Can also be associated with grain industry and food cases http://natagri.ufs.ac.za/dl/userfiles/Images/00003/2123_eng.jpg

  4. What are the stages of decomposition? • 5 stages: • Fresh • Bloat • Active Decay • Advanced Decay • Dry/Skeletal • Stages of Colonization • Allows for time of death calculations • Post mortem intervals (PMI) http://www.nhm.ac.uk/resources/research-curation/consulting/flash-image-faders/forensic-entomology/images/calliphora-larvae.jpg

  5. Colonization Blowflies Flesh flies Predaceous flies Carrion Beetles Rove beetles Carpet Beetles Lepidoptera Time Courtesy of Nancy Ostiguy

  6. Blow flies Carpet beetles Predatory flies Carrion beetles Mel Bishop 2007 Rove Beetles Clothes moths Flesh flies Courtesy of Dr Ke Chung Kim

  7. Eggs… Courtesy of Dr Ke Chung Kim

  8. Young maggots Courtesy of Dr Ke Chung Kim

  9. Older maggots Courtesy of Dr Ke Chung Kim

  10. Maggot mass Courtesy of Dr Ke Chung Kim

  11. Field Studies • Collection and analysis from field Courtesy of Dr Ke Chung Kim

  12. Collection http://www.itsgov.com/wp-content/uploads/2012/09/forensic-entomology.jpg

  13. Summary • Forensic Entomology • Decomposition • Colonization • Future Classes • Forensic Science major http://www.forensics.psu.edu/

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