June 2nd and still the flies are nearly nonexistent. However, the ticks are plentiful.kucala5":m4sdg1ck said:We start using it before the temps go up so it has time to cycle through. Sure beats spraying. We will know this year if it was a fluke, but last year there was a noticeable difference. Fingers crossed! (NO flies at this time)cowgirl8":m4sdg1ck said:Thats what we are using. If its working i sure would hate to see how the flies would be without it..kucala5":m4sdg1ck said:We had good luck with Purina Wind and Rain w/fly control last year and have it out now.