flies on solidago

Breda Banville asked 13 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.  

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.

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