Flies

The flies include the common housefly, the tsetse fly, the stable fly and mosquito. They have sucking mouth parts and one thin, veined pair of wings. They have a complete metamorphosis.

The housefly does not bite, but has sticky feet that allow it to walk on ceilings. However, to stick it must not have dust on its feet. Thus the fly is always rubbing its feet to clean off dust and dirt. It has big eyes and small antennae. It has excellent wings and can fly very fast. It carries a lot of bacteria The fly lays its eggs in manure piles and the larvae that hatch are called maggots.

The mosquito does bite and suck on animal and human blood.. It injects a bit of its saliva in the animal it bites that causes the swelling of its bites. It lays its eggs in swampy water. Its pupae are different from other insects as they can move about.