There are two species of webworms in our area: Red Headed and Black Headed. Each have Five hatchings per season and they ovelap. The female is a flying moth and she lays up to 300 eggs at a time. They begin feeding immediately after hatching and build a protective web at the tender tips of the branches. Feeding begins in late May and goes on until the first freeze. Predators like hornets and wasps feed on them and when populations arehigh can control them, otherwise spraying is required and other years where as many as 7 sprays are necessary, although rare. The best time to spray is when they are growing at infestation levels, hot, humid, sunny days are optmal for development,