Dogwood Borer and Apple Trees

The dogwood borer, Syanthedon scitula (Harris) (fig. 1), is from the Family Sesiidae, the family of clearwing moths. Adult clearwings are colorful, day-flying moths that bear close resemblance to wasps. Although they cannot sting, this mimicry no doubt protects them from birds and other predators. They live in all parts of the United States east of the Rocky Mountains.

Figure 1. Adult dogwood borer moth. Photo: Henry W. Hogmire, Jr., West Virginia University.
Adult dogwood borer moth. Photo courtesy of Henry W. Hogmire, Jr., West Virginia University.

The dogwood borer has been considered an …