Your designated scout needs to have a way to relay results to those who need to know. Add a written report and report circulation list to the monitoring routine. Back to top Key Ornamental Pests Scale insects. Check mite-susceptible plants frequently, especially in hot weather. Spider mite problems are notorious for exploding in just a few days in hot, dry weather.
Drought stress can predispose the plant to more serious mite injury.
Applying beneficial mites or thrips that feed on pest mites can be effective in some situations. Aphids, planthoppers and plant bugs. These sap-sucking insect pests are usually more serious early in the season, and can often be ignored on late season plants. Many naturally occurring beneficial insects feed on aphids, so check closely to be sure treatment is truly needed. Stem and twig galls can result in the death of plant parts and are generally more serious than leaf galls, which will often be shed by the plant without additional problems.