spittlebug
spitt·le·bug
noun
1.
small leaping herbivorous insect that lives in a mass of protective froth which it and its larvae secrete
Origin
From spittle + bug.
Related words
Broader terms
Parts
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.