®óñ© © ²°¹°-°² writes

So what have I got in my (unheated) greenhouse?

Quite a few little flies, about the size of ants, but with little
silvery wings.

I shall remove the hardening tomatoes and fly-spray the little beggars
fifthwith.

Why? Wouldn't be best to find out whether they're harmful first?
--
Kay