This spittle mass is believed to protect the insect from desiccation and from natural enemies. Several species of spittlebugs are pests of pine. Low infestations, however, do not appear to cause much damage. The Orthoptera contains many common and well known insects. Most of these insects produce songs by rubbing body parts together.
Grasshoppers are rather general feeders and can cause locally severe injury to ornamental plants.
In most landscapes and nurseries, they are usually of little economic importance. These insects are better known for their evening and night-time songs than for their damage to landscape plants. These insects, although they feed on foliage and live in the canopies of trees, usually do not cause significant plant damage. Katydids are usually green and are well camouflaged on the plant. These insects are also well known for their singing abilities.