Entomology Flashcards

0
Q

Autolysis

A

Process of self-digestion (enzymes within the body’s cells begin a chemical breakdown of the cells and tissues)

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1
Q

Entomology

A

The study of insects

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2
Q

Putrefaction

A

More destructive process, caused by bacteria that destroy the body’s tissues

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3
Q

Putrefaction bacteria

A

Come mostly from the intestinal tract of the deceased, but environmental bacteria and yeasts may also contribute
Side effects are the release of gases that attract insects (primarily flies)

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4
Q

Forensic Entomology

A

Study of insects and their relation to a criminal investigation

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5
Q

Determined by insects…

A
  • Estimated time of death
  • Season of death
  • Geographic location
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6
Q

Stage development is effected by…?

A
  • Geographical location
  • Climate
  • Weather conditions
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7
Q

Carrion species

A
  • Necrophagous

- Predators

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8
Q

Necrophagous

A

Feed directly on the corpse and parasites of the Necrophagous species - attracted to other animals or insects already feeding on the body

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9
Q

Ex. of Necrophagous

A
  • Flies (Diptera)

- Beetles (Coleoptera)

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10
Q

Ex. of Predators

A
  • Burying beetles (family silphidae)
  • Rove beetles (family staphylinidae)
  • Hister beetles (family histeridae)
  • ants, bees, and wasps
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11
Q

3 ways of collection

A
  • Aerial
  • Hand
  • Live sampling
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12
Q

Aerial collection

A

Sweep a net back and forth over the decomposing body. Place them in a large jar with ethyl acetate. After a few seconds, move the dead flies with a funnel into a vial of 75% ethyl alcohol

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13
Q

Hand collection

A

Collect a variety of maggots with forceps. Place them in boiling water to stretch them out and fix them.

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14
Q

Live collection

A

Collect 10-15 live maggots of varying sizes and drop them into a foil container.

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