In this paper, the song characteristics in three species of cicadas: Acutivalva choui Yao (A), Aola bindusara Distant (B), Linguvalva sinensis Chou et Yao (C) and their chcrus in early morning at Jinghong in Yunnan Province are analysed.

• 本文对云南景洪地区三种蝉:A.；周氏尖瓣蝉Acutivalva chotti Yao；B