ほそへりかめむしじゃなかったです
細縁亀虫じゃなかったです
hosoheri kamemushijanakattadesu

Noun
Desu Copula

The polite, past negative form of ほそへりかめむし

1. Wasn't a slender-edged tortoise beetle.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana