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Name: _____________________________ Forensic Science Chapter 13: Forensic Entomology I. Vocabulary: Define (in your own words) and draw diagrams illustrating the following forensic terms. You may use your textbook, internet or other resources. Vocabulary Word Entomology Postmortem interval (PMI) Carrion Necrophagous Instar Degree-day Puparia Definition (in your own words) Drawing (Illustrate the vocabulary word) II. Analysis Questions: 1. Complete Activity 13.1 on pages 370-371 by testing your knowledge of the insect world. Try your best; you will not be deducted points for wrong answers. Staple your quiz to this packet. 2. Describe the different categories of forensic entomology (Power Point) a. Medicolegal (criminal): b. Urban (criminal and civil): c. Stored Product Pests (civil): 3. How can insects be used to determine postmortem interval? (Power Point) 4. Choose an insect species (like a Honey Bee or Monarch Butterfly) and determine its taxonomy (p. 374-375 and internet) a. Kingdom: e. Family: b. Phylum: f. Genus: c. Class: g. Species: d. Order: 5. Describe the four roles that arthropods play in the decomposition of bodies (Power Point). Arthropod Role Description Examples Necrophages Omnivores Predators and Parasites Incidentals 6. Describe (or draw) the life cycle of a fly. Include all instars. (Power Point) 7. What factors determine how long it will take a body to decompose? (Power Point) 8. What is the difference between PMI and time of death? (Power Point) 9. A body is warm and stiff? Approximately what has been the time since death? (see Table 13.2 on page 379). 10. Describe what occurs during the following stages of decomposition (p. 380-381) a. Autolysis: b. Putrefaction or Bloating: c. Adipocere: d. Diagenesis 11. Describe the two major groups of insects found on corpses. (p. 384) Order # of Wings Larvae Type of metamorphosis Flies Beetles 12. Draw a timeline showing what insects can be found on a dead body throughout the decomposition phase. (p. 384-385) 13. Read Case Study 13.2 on page 386 and then answer the following questions: a. Why were specimens collected at the scene reared in the laboratory? b. Why were data on climatic conditions gathered? 14. What are some other uses of insects in forensic science? Describe at least 3. (p. 398) 15. Examine Figure 13.9 on page 401. Describe what a forensic entomologist would do at a crime scene?