Forensic Entomology 2025

Which of these shows the correct order for a fly's life cycle?

• A --> B --> C --> D

• B --> C --> D--> A

• B --> D --> A --> C

• D --> B --> C -->A

What is the name for the structure indicated by the blue arrow in the diagram to the left?

• Peritreme

• Thorax

• Pupa

• Spiracle

In what stage of life is the maggot shown?

• 1st Instar

• 2nd Instar

• 3rd Instar

• Pupa

Use the "Insect Key" for this question.

Which of the following correctly identifies the insect shown in the picture?

• 2nd Instar of a Blue Bottle Fly

• 1st Instar of a Hairy Maggot fly

• 3rd Instar of a House Fly

• 3rd Instar of a Flesh Fly

You collect samples from a body shown in the picture. Which piece of insect evidence is MOST helpful in determining the PMI?

• Sample A

• Sample B

• Sample C

• Sample D

You examine Sample D under a microscope and see the spiracle pattern shown. Which species of fly are you looking at?

• Musca

• Calliphora

• Sarcophaga

• Piophilia

Tags

NGSS.MS-LS4-2

Knowing all of these sample are from the same individual and you identified them as the musca domestica, what would be the minimum PMI based on this evidence if the weather has been between 70-75 degrees all week.

• 11 days

• 12 days

• 13 days

• 14 days

Tags

NGSS.MS-ESS2-5

NGSS.MS-LS1-5

You capture the following adult near a body. Which species of fly are you observing?

• Flesh Fly

• Secondary Screw worm

• Hairy Maggot Fly

• Green Bottle Fly

Use your insect key to help you answer this question.

The adult fly shown in the picture would match which "maggot" shown below?

• Species 1

• Species 2

• Species 3

• Species 4

Tags

NGSS.MS-LS4-2

You find the maggot shown in the picture. You collect samples and find the longest one to be 14mm. If the weather has been around 65 degrees, what is the PMI?

• 2 days

• 5 days

• 8 days

• 10 days

Tags

NGSS.MS-LS1-5