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Forensic Entomology
By Heidi Cooley
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Last updated almost 4 years ago
27 questions
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Question 1
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How can knowing time of death impact an investigation?
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Question 7
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Question 8
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Why can insects not give an exact time of death?
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Question 15
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What is the general life cycle of a blowfly on remains?
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Question 19
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Question 20
20.
Describe the carrion beetles and when the arrive on a corpse.
Question 21
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Question 23
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Why is it important to consider the temperature inside a dwelling as well as outside?
Question 24
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Question 25
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What is forensic entomotoxicology?
Question 26
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Question 27
27.
How can insects give insight to location change after death?
What is forensic entomology?
The use of insects to decompose bodies
The solving of crimes
The study of insects
The use of insects to aid legal investigations
What aspects of investigations can forensic entomology give insight to?
Toxicology
Manner of Death
Post Mortem Interval (PMI)
How do maggots affect the decomposition of the body?
Decrease the rate of decomposition
Have no affect on the rate of decomposition
Increase the rate of decomposition
Why is forensic entomology important for cases that are more than a few days old?
After a few days, the crime should be solved and the insects aren't needed anyways.
After a few days, there is nothing remaining except insects.
After a few days, entomology is the most accurate in determining time since death.
After a few days, the body needs to decompose for the investigation to go further and insects will allow that to happen more quickly.
What other information, besides time of death, can forensic entomology tell us (Check all that apply).
If there are wounds present
If a body was disturbed after death
If a body was moved after death
What information is used to determine time since death?
Only presence or absence of insects
Only insect developmental rates
Both presence or absence of insects and their developmental rates
What are the TWO methods of determining PMI? (Choose TWO)
Looking at the type of insects present
Looking at the life cycles and life stages of the insects
Looking at the number of insects present
Looking at the decomposition patterns of the body
What is looked at to determine time of death if the body was dead less than a month?
Life cycles of insects
Number of insects
Types of insects
Succession of different insects
What is looked at if the body was dead more than a month?
Life cycles of insects
Number of insects
Types of insects
Succession of different insects
Which type of insects come within minutes of death?
Blowflies
Houseflies
Maggots
Blowflies and Houseflies
What is the time frame that insects can no longer give important information about the time of death?
After one week
After one month
After one year
After two years
What is one of the first insects to settle on a dead body?
Dermestid Beetle
Bore Beetle
Maggots
Blowfly
Why is the information gathered from a blowfly very reliable when determining time of death?
There have been many studies of their life cycle
The length of each cycle is well known
Cycles are easy to recognize
The cycles are well studied and are well known
When does the dermestid beetle arrive on a dead body?
After 24 hours
Late in the decomposition process
Soon after death
Which type of beetle larvae is the most common type collected by forensic entomologists from human remains?
Carrion bettle larvae
Bone beetle larvae
Dermestid beetle larvae
What do bone beetles feed on?
Skin and fibers
Larvae of other insects and decomposing flesh
Bones
What does it mean when it says insects are "cold-blooded"?
They are cold to the touch
They are sensitive to their environment
They have no emotions
How does temperature affect the decomposition rate?
Warmer temperatures have more insects and more decomposition
Warmer temperatures have less insects and more decomposition
Cooler temperatures have more insects and more decomposition
Cooler temperatures have less insects and more decomposition
How does the indoor/outdoor location affect the rate of decomposition?
There will be a greater richness of insect species at an outdoor crime scene
There will be a greater richness of insect species at an indoor crime scene
Why can insects give insight to wound sites in earlier stages of death?
Insects naturally lay eggs in openings, showing where wounds are
Insects will avoid wound areas
Insects will bite in areas where wounds are