I used Spalding's Fly Predators with success last season, with the exception of horn fly control. Can I use a product like Rabon and Fly Predators at the same time? If I use ivermectin, how often can I apply the topical solution? It would seem to me that ivermectin and Rabon would be more effective on horn flies and face flies. What do you think?
Rabon, an oral larvacide, and insect growth regulators (IGRs) can be used with Fly Predators. Fly Predators, branded beneficial insects, lay eggs inside fly ...