singing of insects; sound of insects
Especially refers to the chirping or singing of autumn insects like crickets and bell crickets. Often evokes a poetic or seasonal feeling.
See also: 虫の音
On autumn nights, I like to take a walk while listening to the singing of insects.
When I opened the window, I heard the sound of insects along with the cool breeze.
Standard kanji spelling.
Mixed kana-kanji spelling; less common but still used.
Compound of 虫 (mushi, 'insect') + の (no, possessive particle) + 声 (koe, 'voice'). Literally 'voice of insects'.