Large numbers of newly hatched caterpillars or beetle larvae may be detected by watching for freshly skeletonized leaves and destroyed in this way. After hatching, small caterpillars and beetle larvae remain on the leaf for several days. Damaged leaves can be removed and destroyed before the larvae have dispersed over the plants. Early stage lubber grasshoppers also feed in aggregates and can be hand picked and destroyed. Chemical Control Insecticides may be required to control insects and related pests when they reach damaging levels on landscape plants.
Most insecticides kill by either contact with the insect or as a stomach poison.
Some also exert a fumigating or vapor action under certain conditions. Materials should be selected that will be effective in controlling the pests without injuring the plant, or causing buildup of other pests. Only use an insecticide that has the plant and pest listed on the label. Use the right amount. Use the recommended amount.