Which Insects Suck Through Straws?

            There are many insects, which have straws for sucking up the liquids. The insects, which have straws, are moths and butterflies. In the figure, an insect is sucking blood.

A Mosquito Sucking

            Insects have suck up liquids have mouths shaped like long tubes. Insects that suck include aphids, which have a sharp tube for piercing the stems of plants ad sucking out sap. Mosquitoes pierce our skin to suck up the blood. A housefly has a tube with a sponge-like organ at the end for sucking up liquid.

            In biological language, these straws are called a proboscis. Insects that drink nectar form flowers have the best straws. A butterfly normally keeps its long proboscis coiled up, only extending it when it intends to use it. The convolvulus hawk moth has a straw 14 centimeters long for reaching deep into certain kinds of flower. One type of South American moth has a proboscis that is 30 centimeters long.