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wormey cornU could try using mineral oil(small amount) on silk cuz the moths lay their eggs on the silk an when they hatch they start to eat right away. I tried it 1 year. It seems like alot of trouble but it does work for the most part

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?