Forensic Entomology questions with verified
answers
After maggots are done feeding, about how much tissue mass remains?
Ans✓✓✓ 10%
Describe the life cycle of a fly. What in an instar? A pupa? Ans✓✓✓
Instar - stage in larval development
Pupa - stage between 3rd instar and adult, metamorphosis stage
Forensic entomologists work with what kind of evidence? Ans✓✓✓
Insects
Give examples of the following orders of insects: Odonata, Orthoptera,
Mantidae, Diptera, Coleoptera, Hemiptera, Hymenoptera, Lepidoptera.
Which two are of most use to forensic scientists in determining PMI?
Ans✓✓✓ Odonata - Dragonflies
Orthoptera - Grasshoppers
Mantidae - Praying mantises
Diptera - Blow flies
Coleoptera - Beetles
Hemiptera - True Bugs (ex: cicadas, aphids)
Hymenoptera - Bees and ants
Lepidoptera - Butterflies and moths
, Diptera and Coleoptera are the most useful
How do spiracle slits help tell what stage an insect larva is in? Ans✓✓✓
1st Instar - one slit
2nd Instar - two slits
3rd Instar - three slits
How do you calculate ADH? Ans✓✓✓ ADH= temp x time
How do you write a scientific name? Ans✓✓✓ Genus, species; genus
italicized
How many insect larvae should be collected from a corpse for
evidence? Why are the larva more valuable to collect than the adults?
Ans✓✓✓ 50-100 larvae
You shouldn't collect the adults because it's possible that they had just
landed on the body
Insects are ectothermic. What does this mean? Ans✓✓✓ They are cold
blooded, and their growth relies completely on the outside
temperature
Know how to use a key to classify organisms. Ans✓✓✓
answers
After maggots are done feeding, about how much tissue mass remains?
Ans✓✓✓ 10%
Describe the life cycle of a fly. What in an instar? A pupa? Ans✓✓✓
Instar - stage in larval development
Pupa - stage between 3rd instar and adult, metamorphosis stage
Forensic entomologists work with what kind of evidence? Ans✓✓✓
Insects
Give examples of the following orders of insects: Odonata, Orthoptera,
Mantidae, Diptera, Coleoptera, Hemiptera, Hymenoptera, Lepidoptera.
Which two are of most use to forensic scientists in determining PMI?
Ans✓✓✓ Odonata - Dragonflies
Orthoptera - Grasshoppers
Mantidae - Praying mantises
Diptera - Blow flies
Coleoptera - Beetles
Hemiptera - True Bugs (ex: cicadas, aphids)
Hymenoptera - Bees and ants
Lepidoptera - Butterflies and moths
, Diptera and Coleoptera are the most useful
How do spiracle slits help tell what stage an insect larva is in? Ans✓✓✓
1st Instar - one slit
2nd Instar - two slits
3rd Instar - three slits
How do you calculate ADH? Ans✓✓✓ ADH= temp x time
How do you write a scientific name? Ans✓✓✓ Genus, species; genus
italicized
How many insect larvae should be collected from a corpse for
evidence? Why are the larva more valuable to collect than the adults?
Ans✓✓✓ 50-100 larvae
You shouldn't collect the adults because it's possible that they had just
landed on the body
Insects are ectothermic. What does this mean? Ans✓✓✓ They are cold
blooded, and their growth relies completely on the outside
temperature
Know how to use a key to classify organisms. Ans✓✓✓
