Decomposition Details (1)
Stage that occurs 24+ days post-mortem
What is the SKELETAL stage
What occurs during the SKELETAL stage
What is:
most skin is gone
bones are easily visible
no bad smell
Define as...
What is using bug species to determine the stage of decomposition and/or time of death
Simply incubate for approximately 24
What is blowfly eggs
Present during the FRESH stage of decomposition
What are adult blow flies, eggs, and/or 1st stage larva
Stage that occurs 1-2 days post-mortem
What is the FRESH stage
What occurs during the FRESH stage
What is:
cells break down, enzymes are released
blood pools
muscles stiffen
bacteria eat organs/flesh
Temperatures collected
What is:
the environment
maggot mass
ground surface near the body
surface between the body and ground
Are 20mm long and incubate for 77-130 hours
What are blowfly pupae
Present during the BLOATED stage of decomposition
What are 1st and 2nd stage blow fly larva
Stage that occurs 2-6 days post-mortem
What is the BLOATED stage
What occurs during the BLOATED stage
What is:
gases build up in abdomen
skin discoloration is visible
bad odor detected
nose/eyes protrude out
How many weeks of weather data is collected?
What is 1-2 weeks prior to body discovery
Use mouth hooks to dig into flesh and eat for approximate 24 hours
What are 1st stage blowfly larva
Present during the ACTIVE stage of decomposition
What are 2nd and 3rd stage blow fly larva
Stage that occurs 5-11 days post-mortem
What is the ACTIVE stage
What occurs during the DRY stage
What is:
flesh starts to really come off
present skin is very dry
slight smell
What information about the habitat needs to be collected?
What is:
species of vegetation
amount of sun/shade
type of soil
Are 14-16mm and crawl away from the body once full
What are 3rd stage blowfly larva
Present during the DRY stage of decomposition
What are 3rd stage blow fly larva and/or pupae, and beetles
Stage that occurs 11-24 days post-mortem
What is the DRY stage
What occurs during the ACTIVE stage
What is:
gases/fluids are released/drained
body deflates
strong odor detected
What types of bug specimens are collected?
What is:
types of bugs present
#/species of adults
#/species of eggs
#/species of various stage larva
Secret an enzyme to break down tissue and eat for approximately 22 hours
What are 2nd stage blowfly larva
Present during the SKELETAL stage of decomposition
What are empty pupae casings and beetles