網目 あみめ蜉蝣 ふゆうではありませんでした
amime fuyūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 網目蜉蝣

1. Was not a mayfly.; Was not a mesh/networked mayfly.

Past/Perfective
Negative
Polite
Formal Register