As with sod webworms, time insecticide applications to control armyworms during the early evening when caterpillars are feeding on the surface of the turf. They are mottled dull brown, gray or nearly black and usually appear plump and greasy. If disturbed, the caterpillar usually curls into a C-shaped ball. Eggs are laid on grass and weed stems or behind the leaf sheath of such plants. Caterpillars usually remain below the ground surface, under clods, or other shelters during the day and feed at night.
Cutworms pupate in the soil.
There may be several generations in a year. Due to their nocturnal behavior, it is best to time control measures for early evening when caterpillars are present on the surface of the turf. In Georgia, most insect pests of turf can be controlled when damaging populations are found. However, remember the first step to management of lawn pests is prevention . Good cultural practices are essential to prevent insect pests from destroying turf.