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John Fulton


John Fulton
Former County Extension Director



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In The Backyard

Horticulture columns and tips done on a timely basis
Rose Sawfly

Rose Slug or Rose Sawfly

Posted by John Fulton -

Right now, people are noticing feeding damage on rose bushes of all types. On close inspection, many have found small, green, caterpillar-like insects. These are actually the larvae of small wasps, and they do feed on roses. It doesn't matter if the rose is a knock-out, a hybrid tea, or a standard.

Since these are not "caterpillars," Bt products for larvae of moths and butterflies won't work. Try Sevin, bifenthrin, or permethrin as chemical controls. Insecticidal soap properly applied should also give good control.



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