noun
Kaempfer cicada
A species of cicada (Platypleura kaempferi) found in Japan and East Asia. Often written in kana.
夏になると、にいにいぜみの鳴き声が聞こえる。
In summer, you can hear the chirping of Kaempfer cicadas.
The name にいにいぜみ is onomatopoeic, mimicking the cicada's call. The exact origin is uncertain.