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GOAL: Comparison of the composition of the carrion-feeding beetle guild along a creek bed versus on the prairie.

RATIONALE: Data relating directly to successional patterns, development rates, and species composition of necrophilous insects on wildlife carcasses in Kansas are limited, unpublished, or lacking entirely. The Department of Anthropology at Wichita State University uses “Skeleton Acres” to study forensic anthropology. Data collected will help to address our gap of knowledge related to insect forensics.

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http://entertainingscience.blogspot.com/2009/09/forensic-entomology.html

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Carrion has an observable and highly predictable pattern of arthropod succession.

Species of necrophilous insects are attracted to carrion at different stages of decomposition. “Waves” of necrophilous insects arrive and utilize a corpse for specific periods of time according to the availability of particular food and/or refuge resources (i.e, tissues, fluids, stomach and intestinal contents, organic offal, skin, hide, fur, and bone).

A natural progression of species communities at a decaying corpse begins and ends with scavenging insects.

Necrophilous insects are pivotal in recycling nutrients. A fresh corpse has tremendous nutrient reserves and is immediately attractive to scavengers. However, many nutrients are not available for most arthropods until the corpse is colonized by calliphorid fly larvae (though certain rare situations involve dominance by sarcophagid flies or or muscid fly larvae).

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http://www.forensic-entomology.com/

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http://www.cals.ncsu.edu/course/ent425/text01/forensic.html

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http://www.projo.com/news/content/Preventing_Extinction_09-14-09_ATFKAI5_v17.37cce42.html

American Burying Beetle

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http://www.marshall.edu/forensics

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http://www.marshall.edu/forensics

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http://www.marshall.edu/forensics

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http://www.marshall.edu/forensics

Read: Michaud, et al. 2010. Natural and anthropogenic changes in the insect fauna associated with carcasses in the North American Maritime lowlands. Forensic Sci. Int.

Read: Watson, E.J. 2004. Faunal succession of necrophilous insects associated with high-profile wildlife carcasses in Louisiana, Chapter 1 (pp. 1-22). Louisiana State University Dissertation.

Read about the Shannon-Wiener Diversity Index at: http://chs.carlsbadusd.k12.ca.us/DeCino/Webpage/APES/shannonlab.htm

Learn about forensic entomology: http://www.forensicentomology.com/index.html View the video “Crime 360: Forensic Tools: Forensic Entomology”: http://www.aetv.com/crime-360/video/index.jsp?bcpid=1463371098&bclid=1459293923&bctid=1468221853

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0/&")Y$4$4M$#9Z)• There will be a quiz over today’s material as well as material for the laboratory exercise

• Look over the criteria for species pages and observation/hypotheses blogs.

• Bring your lunch, water, hat, and dress for hot weather and chiggers.

• See you at 8:15 am!