いねねむしじゃありませんでした
稲根喰葉虫じゃありませんでした
ine nemushijārimasendeshita

Noun
Desu Copula

The polite, past negative form of いねねくいはむし

1. Was not a rice root-eating insect.; Was not an insect that eats rice roots.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana