さんかめいがじゃありませんでした
三化螟蛾じゃありませんでした
sankameigajārimasendeshita

Noun
Desu Copula

The polite, past negative form of さんかめいが

1. Was not a rice stem borer moth.; Was not a rice moth.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana