This is a large group of insects. There are more than 700 species in North America alone and the members can be found almost anywhere. The house fly breeds in filth of all kinds. It does not bite. The mouth parts are for sucking only.
Flies are soft-bodied, and go through complete metamorphosis.
Henicopidae Centipede's are flat, wormlike creatures with one pair of appendages for each body segment. The antennae on a centipede has at least fourteen or more segments. The first set of appendages behind the head are clawlike, and are called poison jaws. These jaws are used to trap and paralyze their prey, usually small insects. Centipede's can easily be found in soil, under bark, rotting wood, and other debris.