Thank you!
Yes, excellent. But please keep them over there.
JR
They are mayflies, quite benign. You probably have some anyway. The main problem is that they are so many and get everywhere. Good for birds and fish though.
https://en.wikipedia.org/wiki/MayflyIn the morning it was full of dead mayflies everywhere. In the evening it was almost impossible to go anywhere without some landing on you.
Few more shots, more descriptive.




Here to see how they cover the ground when they die


This is on a car
