Forensic Entomology - Insects solving crimes

At a crime scene where a death occurs, insects can provide essential clues to help solve the crime - such as the time of death.  Ewww!

Choose two different insects from the list below to research & answer these questions about:

Blowfly
Flesh Fly
Dermastid Beetle
House Fly
Hide Beetle
Clothes Moth

1.  What is the main food source for the insect?
2.  How does it help determine the time of death at a crime scene?
3.  What is the time length and description of it's life cycle?
4.  Describe what the insect looks like and post a picture of it.


Links that may be helpful:

hide beetle
dermastid beetle
blowfly
wikipedia - entomology