ヒトスジシマかだったら
ヒトスジシマ蚊だったら
hitosujishimakadattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ヒトスジシマか

1. If/When it were a *hitosujishima* mosquito.

Tara Conditional
Usually Written in Kana