What are the holes in my leaves?
The tree most common reasons are rose slugs, grasshoppers and/or katydids, or cutter bees. Early in the spring, rose slugs will make round, lace-like holes. You can follow the trail of holes from small to larger up the plant as the slugs mature. Where the holes stop you will find these uninvited guests by turning over the leaflet. They are chartreuse, flat, caterpillar-like who are not a caterpillar but the larva of the sawfly. Sprays with the active ingredient, Spinosad will help eradicate them. It must be sprayed under the leaves. If you have only a few bushes, just squish them. You want to wear gloves to do this. Grasshopper and Katydids are two different insects. Katydids are green with flattened thoraxes. Grasshoppers have rounder thoraxes and vary in color from green to brown. No matter, they are both destructive to the bud and leaves of the rose. Leaf damage is generally an irregular destruction on the outside of the leaves. They will munch on the forming buds also. They don’t l
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