Allium Leaf Miner Fly Ruined My Onion Crop 2 Years in a Row.

May 20, 2022
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USA, PA - Zone 6a/6b
United States
For the second year in a row, I lost all my onions (planted in 2 different spots) to the allium leaf miner/fly. I guess my plan of action is to lay off alliums for a year as I may have bred them from last year as I didn't pull my onions last year until later due to family issues, so some most likely pupated in my soil. But I hear they are a growing problem in the USA. I used to have such good onion harvests before last year.

As far as I can tell, they didn't touch my garlic, which was planted next to some of the onions, but I will find out for sure when I harvest them this month. Last year the garlic was not attacked by this fly and I had some onions right next to the garlic as this year.


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