オオスジヒメジではありませんでした
ōsujihimejidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of オオスジヒメジ

1. Was not a large-veined ladybug.; Was not a large-veined lady beetle.

Past/Perfective
Negative
Polite
Formal Register