Thanks. That sounds good news. I've found no regulated pesticide solutions, but heat or cold may stand a chance... Or UV light or microwaves? I'm certainly investing in nets. Critters have attacked everything this year.GillyBee wrote: ↑Wed Sep 04, 2024 12:09 pm Penn State agricultural experts are suggesting solarisation of infected beds to clear allium leaf miner. That suggests that a suitable heat treatment might kill them off in the bulb too. (Similar to the way heat treated onion sets are created)
Or just plant in compost and keep an eye out for any white lines or puncture marks suggesting infection and trash those sharpish......
For now, I've planted out all the remaining bulblets in a range of locations and in new compost. The ones that are sprouted look healthy. I guess and hope that when the 'parent' onions were attacked by the fly, that the mites burrowed towards the nearby big bulb. Mites or larvae or whatever may be dormant in the soil. Hoping not.