Forensic Entomology Part 2 Insect life cycles

Forensic Entomology Part 2 Insect life cycles

Multiple Choice

Insects that suck up liquids may get nourishment from a dry, decaying body in a later stage of decomposition.

• True

• False

Multiple Choice

Blowflies, also known as carrion flies or bottle flies, include

• blue bottles, yellow bottles, and silver bottles

• brown bottles, green bottles, and bronze bottles

• blue bottles, green bottles, and bronze bottles

• blue bottles, green bottles, and silver bottles

Multiple Choice

As a dead boy decomposes, two gasses, putrescine and ________ are released that alert blowflies to a possible location to lay their eggs

• methane

• cadaverine

• mortiscine

• aminoscine

Multiple Choice

What part of their anatomy do blowfly larvae breathe through?

• the spiracles on their butts

• the hooks on their anterior end

• their skin

• the mouth parts on their heads

Multiple Choice

Blowflies do not lay eggs at night

• True

• False

Multiple Choice

The thick skin of the third instar of a blowfly is shed as the maggot prepares to become an adult fly

• True

• False

Multiple Choice

Within minutes of death, odor emitted from a dead body can be detected by blow flies from:

• a mile away

• a half-mile away

• a quarter-mile away

• a 50 yard radius

Multiple Choice

The blowfly lifecycle has six stages. How many larval stages are included in these six stages?

• 1

• 2

• 3

• 4

Multiple Choice

Blowfly eggs usually hatch in less than

• 12 hours

• 24 hours

• 36 hours

• 48 hours

Multiple Choice

Flesh flies

• arrive within minutes of death and feed on the sweat, blood, urine, and feces of the body

• arrive within minutes of death and lay eggs on the body

• arrive within minutes of death and deposit living larvae onto the flesh

• all of the above

Multiple Choice

Coffin flies are

• about the size of fruit flies

• most likely to appear if the victim is concealed or wrapped in plastic or blankets

• an indication that a body was left in a car for several days

• all of these choices

Multiple Choice

The arrival of which type of beetle is associated with the advanced stage of a dead body?

• sexton beetle

• American carrion beetle

• hide beetle

• hairy rove beetle

Multiple Choice

What are two types of beetles that are likely to arrive early on a corpse?

• Hide and Hairy Rove

• Clown and Surinam carrion

• American carrion and Hide

• Sexton and Hide

Multiple Choice

Beetle larvae have 3 pairs of legs, fly larvae do not have legs

• True

• False

Multiple Choice

One type of insect typically arrives within minutes after death. Therefore this type of insect is considered to be timekeepers for postmortem intervals. Which type of insect is this?

• sexton beetle

• flesh flies

• blowflies

• houseflies