small froghopper小沫蝉
mountain froghopper深山沫蝉
alder froghopper桤
pine froghopper松沫蝉
The common froghopper -Philaenus spumarius吹泡虫
N（名词） any small leaping herbivorous homopterous insect of the family Cercopidae, whose larvae secrete a protective spittle-like substance around themselves 吹泡虫 (Also called spittle insect, spittlebug)