cut into (from the segmented bodies.).

three body parts (head, thorax, and abdomen.). three pairs of legs on thorax, generally one or two pairs of wings; gas exchange through trachea.

(10 mil. species.).

Latin- insectus.

straight wing.

includes grasshoppers, crickets, and katydids.

characterized by tooth.

includes damselfly, dragon flies.

half winged.

includes true bugs.

same wing.

includes cicada, leaf hopper, aphid, plant hoppers, and scale insects.

sheath winged.

includes beetles.

scaled wing.

includes moths, butterflies, skippers.

two wing.

includes flies.

winged membrane.

icludes ants, bees, wasps, sawflies.