frog·hop·per (frôg'hŏp'ər, frŏg'-) n. See spittlebug.
spit·tle·bug (spĭt'l-bŭg') n. Any of various leaping, homopterous insects of the family Cercopidae, the nymphs of which form frothy masses of liquid on plant stems. Also called froghopper, spittle insect.