This message is from: [EMAIL PROTECTED] I have used the permethrin-based spot-on type repellent last summer and this summer so far. I really can't see it does much for flies. There are still barn flies and definitely horse flies landing on them. They are sprayed with Ultasheild too. Nothing works and soon the deer flies will start. Ticks are not a major problem though, so maybe it does work for that. Valerie Columbia, CT
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