抄録
The author puts his finger on the point that there are more than 30 species of cicada in Japan so that the Phenological reports in cicada must be prepared for each of the species. The mean dates of the first chirping of cicadas observed at Kagosima Meteorological Observatory are as follows
Species Average date
Terpnosia pryeri, Distant Last ten days of March
Leptopsaltria japonica, How. July
(Cryptotympana pustulata, Fab.?) First ten days of July
