Breda Banville asked 14 years ago
My solidago was covered with black flies last year and year before. any idea what they are and is there any solution I can spray them with to eradicate the same problem this year. Breda from Camross, Wexford.
1 Answers
Gerry Daly Staff answered 6 years ago
If these black flies flew away at a touch, they are not doing any harm. Â
Black flies on the flowers of solidago could have been there for a variety of reasons … resting, sunning themselves, perhaps feeding on pollen … just sharing the garden basically and not in need of control.
