ぶどうすかしばがだったら
葡萄透翅蛾だったら
budōsukashibaga dattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ぶどうすかしば

1. If it were a grape plume moth:; Were it a grape plume moth:

Tara Conditional
Usually Written in Kana