Greater Peach Tree Borer (Synanthedon exitosa) GDD Window (base 50): 600-1800 Overview: Overwinters as various larvae stages Adults are often mistaken for wasps when flying Females are dark blue … Read More
Emerald Ash Borer (Agrilus planipennis) GDD Window (base 50): 450-500 Overview: Adults are wood-boring beetles that are bright metallic green in color, bullet-shaped, and 1/3” long with two pairs … Read More
Bronze Birch Borer (Agrilus anxius) GDD Window (base 50): 400-880 Overview: Adults are black beetles with a shiny greenish-bronze color on their backs, about ½” long Mostly found on … Read More
Fourlined Plant Bug (Poecilocapus lineatus) GDD Window (base 50): 90-1500 Overview: Eggs overwinter in tender shoots and plant debris Nymphs hatch as small adults with black and yellow striped … Read More
Oystershell Scale (Lepidosaphes ulmi) GDD Window (base 50): 363-707 (egg hatch and crawler emergence) Overview: Overwinter as tiny white eggs under the waxy cover of the female Eggs hatch … Read More
Elongate Hemlock Scale (Chionaspis pinifoliae) GDD Window (base 50): 360-700 (1st generation) Overview: Overwinters as egg or as female carrying egg Females are oval, flat, and tan/translucent, males are … Read More
Pine needle scale (Chionaspis pinifoliae) GDD Window (base 50): 298-448 (1st generation), 1290-1917 (2nd generation) Overview: Overwinter as live females or bright red eggs beneath the wax cover of … Read More
Armored Scales (Diaspididae) GDD Window (base 50): variable depending on species Overview: Characterized by a hard, waxy, protective covering that is separate from their body, making them less susceptible to … Read More
Boxwood Psyllid (Spanioneura buxi) GDD Window (base 50): 290-440 Overview: Overwinter as orange, spindle-shaped eggs Nymphs emerge and begin feeding as buds expand Nymphs feed on young foliage by piercing … Read More
Boxwood Mites (Eurytetranychus buxi) GDD Window (base 50): 450-700 Overview: Overwinter as light-yellow eggs on leaves and twigs Neither a true cool nor warm season mite – most active during … Read More