Some of mine were like this. Lift them carefully cos if the pupae are in there you don't want them to drop out onto the soil . They look like small brown grains of rice and could be nestling in between the cloves . I fleeced my leeks and they were ok but because the garlic went in later and hadn't really grown I stupidly thought they would be missed. Learnt my lesson for next time. The outer skin splits where they tunnel and the new leaves grow out of the split instead of straight up as normal .
Fleece anything allium like Oct / Nov and March/ April
Fleece anything allium like Oct / Nov and March/ April
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