Rose Pest Rx
Beneficial Nematode Mixture

Rose Pest Rx 1 $19.99
Rose Pest Rx 2 $38.99
Eliminates or provides control of a wide variety of pests that attack Roses. Pests controlled are those that live part or all of their life cycle in the soil, coming up and out to feed on the stems, leaves or blooms of Roses bushes.
Pests eliminated or controlled include Chaffers, Grubs, Earwigs, Japanese beetles, Junes Bugs, Sawfly (rose slugs)
Rose Pest Rx works by seeking the pests as they live and or reproduce in the soil. These beneficial microbes hunt and seek our the pests in your rose garden, often attacking the pests before they have a chance of attacking your plants. The pests may live anywhere from the first 1/2 inch to several inches deep in and around the soil in your rose and flower garden. This product is all natural and very safe to use, (no stinky dangerous chemicals here.)
You will need to apply it in the evening so that the sunlight will not kill the little critters inside the mixture. In the event you are trying to get rid of Rose slugs or caterpillars make sure that you completely spray the whole plant(s) reaching the top and bottom of the leaves. Once in the soil the microbes live happily hunting your pests.
For other actively feeding pests several treatments of
Rose info links
http://www.rosemagazine.com