The mosquito is a two-winged fly of the family Culicidae . The female mosquito has a needlelike mouth for puncturing the skin of animals to suck blood. Some mosquito bites can transmit serious diseases such as malaria and yellow fever. Bees are numerous throughout the world, and belong to the order Apoidea . Bees are a four-winged insect, capable of producing wax and honey.
Bees are invaluable to man in the pollination of food crops.
The honeybee 's food consists of nectar, and the pollen from flowers and plants, which honeybees can make into honey. Bees are closely related to wasps and ants. The sting of the female and worker wasps is mortal or paralyzing to other insects. Grasshoppers are leaping insects of the suborder Saltatoria , and are related to locusts. Grasshoppers are mainly nocturnal, or active at night, and are plant-eating insects.