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Ask the Vet
Mon Apr 21, 2014 01:26 PM CDT

Question:

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?

Answer:

Rabon, an oral larvacide, and insect growth regulators (IGRs) can be used with Fly Predators. Fly Predators, branded beneficial insects, lay eggs inside fly ...

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