The wingless types of insects are the most in number and each letters in this grouping, which belong with the insect classification chart, also has loads of species that are included. There are a lot of categories that subsist in this broad type of wingless insects. One such pair of categories is the sponging and the non parasitic brand of insects. The parasitic insects are usually found in mammals where they live of the blood they suck from the bodies. The more general ones are fleas. Another insect that feeds on blood from balmy blooded animals is the mite. This is also categorized into wingless insects. There are also other insects like cockroaches, walking deposit, mantis, cricket and grasshoppers.