Forensic Entomology Part 3 PMI & crime scenes

Forensic Entomology Part 3 PMI & crime scenes

Multiple Choice

in 1855, an entomologist used the concept of insect succession to determine which of four different tenants had murdered an infant that was found within the walls of a house. What was the name of this entomologist?

• Dr. Lee Goff

• Dr David Hall

• Bergeret d'Arbois

• Jean Pierre Megnin

Multiple Choice

How do the temperatures of feeding maggot masses compare to ambient temperatures?

• They have temperatures of 5^oF to 20^oF higher than ambient temperature

• They have temperatures of 15^oF to 30^oF lower than ambient temperature

• They have temperatures of 5^oF to 20^oF lower than ambient temperature

• They have temperatures of 15^oF to 30^oF lower than ambient temperature

Multiple Choice

In order to provide the most accurate estimate of postmortem intervals at a crime scene, which type of larvae should be collected?

• the oldest larvae

• the youngest larvae

• larvae on internal organs

• larvae on arms, legs, and head and neck

Multiple Choice

The number of hours at an adjusted average temperature, using Celsius degrees, that it takes an insect species to reach a particular stage of development is expressed in

• annual degree hours

• adjusted degree hours

• average degree hours

• accumulated degree hours

Multiple Choice

The lower limit threshold is the temperature below which growth and development cease for an insect. For most insects, what temperature represents their lower limit threshold?

• 10^oC

• 20^oC

• 15^oC

• 25^oC

Environmental conditions affect the growth of larvae. The following Meteorological Data should be collected

• Rainfall amounts for a period of 1-2 weeks before the victim's disappearance and 3-5 days after the body was discovered

• Maximum and minimum daily temperatures from an accurate source

• Ambient temperature at scene taken at chest level

• Maggot mass temperature taken from center of mass

• Temperature of ground surface, interface between body and ground, and soil directly under body

Multiple Choice

While processing a crime scene for insect evidence, what is the recommended number of maggots per mass to collect?

• 10

• 25

• 50

• 100

Multiple Choice

Environmental conditions affect the growth of larvae. Consequently, in the collection of meteorological data, it is suggested that rainfall amounts be recorded for a period of

• 2-3 weeks before the victim's disappearance and 3 to 5 hours after the body was discovered

• 2-3 days before the victim's disappearance and 3 to 5 days after the body was discovered

• 1-2 days before the victim's disappearance and 3 to 5 days after the body was discovered

• 1-2 weeks before the victim's disappearance and 3 to 5 days after the body was discovered