Chapter 9 Flashcards

1
Q

Forensic entomology

A

study of insects and invertebrates

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2
Q

PMI

A

postmortem interval

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3
Q

How PMI calculated?

A

successive colonization of insects

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4
Q

Blow flies aren’t active when temp is below?

A

50° F

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5
Q

Coffin fly

A

can dig up to .5 meters in four days

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6
Q

Flies lay their eggs around

A

mouths
wounds
openings

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7
Q

Maggots growth stages are called?

A

Instars

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8
Q

Maggot mass temperatures

A

up to 100°+

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9
Q

Maggot migration?

A

Ready to after 3rd instar

migrate and burrow into soil

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10
Q

Maggot Pupae

A

brownish

1-3 inches deep

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11
Q

Beetles

A

arrive one day after flies

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12
Q

moths

A

eat clothing and hair

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13
Q

Investigative approach for entomology

A

Notation of scene
climate data up to two weeks
specimens body and area

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14
Q

KAA

A

protein fixative will kill adults and larval

transfer to 95% ethanol

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15
Q

Collection of weather data

A
internet 
temp
humidity 
sunrise and set 
wind 
3-5 days prior to time of death
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16
Q

Egg hatch

A

liver in petrified dish

time and temp when hatch

17
Q

Fly artifact

A

regurgitation or defecation

18
Q

shape of fly artifact

A

teardrop

random with non-existent point of kf origin