ぶどうすかしばがでしょう
葡萄透翅蛾でしょう
budōsukashibagadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ぶどうすかしば

1. Probably a grape berry moth.

Polite
Presumptive
Conjecture
Usually Written in Kana