Taxus Mealybug (Dysmicoccus wistariae) GDD Window (base 50): 246-618 Overview: Considered a type of scale insect Overwinter as 1st instar nymphs (soft scales overwinter as 2nd instar nymphs) Adults are 1/8″ long and covered with white cottony waxy filaments that makes them difficult to control White adults … Read More
Honeylocust Spider Mite (Platytetranychus multidigituli) GDD Window (base 50): 220-250 (egg hatch) Overview: Orangish and yellow-green, overwintering adults are1/50” and found in bud scars and bark cracks Classified as a warm season … Read More
Maple Spider Mites (Acer rubrum) GDD Window (base 50): variable Overview: Overwinter in bark crevices as adults and eggs Some also seek refuge under dead armored scale insects Migrate to the underside of the leaves in … Read More
Oak Spider Mites (Oligonychus bicolor) GDD Window (base 50): 802-1265 (1st generation) Overview: Classified as a warm season mite Overwinter as eggs on bark Thrives in dry conditions Feeding occurs … Read More
Oak Lace Bug (Corythucha arcuata) GDD Window (base 50): 408-900 (egg laying/hatching) Overview: Feed on deciduous trees and overwinter as adults Adults have rectangular shaped wings Lay eggs on leaf … Read More
Japanese Beetle (Popillia japonica) GDD Window (base 50): 1029-2154 Overview: Mate, then feed and lay eggs for six weeks Adults appear on hosts from late June to early August Attracted … Read More
Fall Webworm (Hyphantria cunea) GDD Window (base 50): 1266-1795 Overview: Mostly visual concerns Feeds within silken webs which encircle branches, twigs, and leaves Similar web to eastern tent caterpillars … Read More
Potato Leafhopper (Empoasca fabae) GDD Window (base 50): 784 (emergence) Overview: Does not overwinter in NJ, but is carried-in by upper atmospheric winds from the gulf coast states Feeding damage … Read More
Box Tree Moth (Cydalima perspectalis) Overview: Invasive Lepidoptera native to eastern Asia Now found throughout most of Europe First detection in North America – Toronto 2018 (USA NY2021) BTM has been detected … Read More
Fletcher Scale (Parthenolecanium fletcheri) GDD Window (base 50): 600-1200 Overview: Adults are 2-4mm in diameter, dome-shaped soft scales, brown to tan in color, and usually found on twigs and stems Nymphs are … Read More