Females chew holes through the bur and into the nut to make a suitable place in which to lay eggs. Each female lays about 25 eggs which hatch in about one week. Larvae pupate in late spring and early summer. Adults begin to appear about the first of August. Mites Several species of mites attack chestnuts causing brownish, scorched appearing foliage.
Prolonged infestations can damage trees and the chestnut crop.
Treehoppers Several species of leafhoppers attach chestnuts. They have a greatly expanded area of the thorax just back of the small head. Young nymphs which resemble adults are usually dark in color with bright markings and spines. At the present time, there are no insecticides registered specifically for control of the small or large chestnut weevils. No chemicals are registered for control of these pests on chestnuts.