froghopper: a variety of spittlebug
spittle insect: small leaping herbivorous insect that lives in a mass of protective froth which it and its larvae secrete
rosidae: a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae; Euphorbiaceae; Umbelliferae