Mayfly?

Mayfly?

Observation - Mayfly? - UK and Ireland. Description: This insect landed on my tomato plants for a few minutes. I saw another one a few days ago, but didn't get close enough to see if it had similar markings before it flew away.

This insect landed on my tomato plants for a few minutes. I saw another one a few days ago, but didn't get close enough to see if it had similar markings before it flew away.