The summer eggs are globular, somewhat flattened, and pale green, almost white to greenish amber when first deposited, but slowly change to a reddish-orange just before hatch. Six-legged larvae hatch from the eggs which are initially a pale orange, darkening to a pale green as they feed. The larvae molt to eight-legged protonymphs which are variable in color from a pale green to reddish brown with the dark green predominating. Pale spots at the base of the bristles are very faint, if present at all. The deutonymphs are variable in color from an amber color to a dark green, with a dark-green color predominating.
Pale spots are distinct at the bases of the bristles.
The larvae immediately move to the young foliage and begin to feed. Before the mites transform to each succeeding stage, they go through a short quiescent period. Shortly before the adult female emerges, she releases a pheromone which attracts a male . Adult mites usually appear by petal fall. Female mites live up to an average of 18 days and each female is capable of laying approximately 35 eggs during her life span.