あかつつがむしじゃなかったです
赤恙虫じゃなかったです
akatsutsugamushijanakattadesu

Noun
Desu Copula

The polite, past negative form of あかつつがむし

1. It wasn't a red bug.; It wasn't a tsutsugamushi.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana