ゆすりかじゃなかったです
揺蚊じゃなかったです
yusurikajanakattadesu

Noun
Desu Copula

The polite, past negative form of ゆすりか

1. Wasn't a mosquito.; Wasn't buzzing.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana