Chapter 9 Flashcards
Forensic entomology
study of insects and invertebrates
PMI
postmortem interval
How PMI calculated?
successive colonization of insects
Blow flies aren’t active when temp is below?
50° F
Coffin fly
can dig up to .5 meters in four days
Flies lay their eggs around
mouths
wounds
openings
Maggots growth stages are called?
Instars
Maggot mass temperatures
up to 100°+
Maggot migration?
Ready to after 3rd instar
migrate and burrow into soil
Maggot Pupae
brownish
1-3 inches deep
Beetles
arrive one day after flies
moths
eat clothing and hair
Investigative approach for entomology
Notation of scene
climate data up to two weeks
specimens body and area
KAA
protein fixative will kill adults and larval
transfer to 95% ethanol
Collection of weather data
internet temp humidity sunrise and set wind 3-5 days prior to time of death