Apple: Aphids categories: Apple Apple Insects Tree Fruits last review date: 2026-01-30 12:01 Rosy apple aphidsPhoto by: R.S. Byther Biology Three aphids are important pests of apple. Green apple aphids feed throughout the growing season on terminals, causing twisted and deformed leaves and stunted shoots. They produce honeydew, a sweet, sticky material which may become […]
Apple: Apple ermine moth categories: Apple Apple Insects Tree Fruits last review date: 2026-02-02 01:32 Apple ermine mothPhoto by: A.L. Antonelli Biology The apple ermine moth is an imported pest which feeds exclusively on apples. The adult moth has silver-white wings spotted with black. Larvae are gray, cream-colored, or greenish with dark spots along the […]
Apple: Apple maggot categories: Apple Apple Insects Tree Fruits last review date: 2026-02-02 02:00 Apple maggot tunnelingPhoto by: M. Bush Biology The apple maggot is potentially a serious pest of apples. Transportation of home-grown fruit from infested to non-infested areas is prohibited in Washington. The adult apple maggot is a small fly about 1⁄4″-3⁄8″ in […]
Apple: Apple-and-thorn skeletonizer categories: Apple Apple Insects Tree Fruits last review date: 2026-02-02 02:11 Apple-and-thorn skeletonizer caterpillar feeding on leafPhoto by: A.L. Antonelli Biology The adult of the apple-and-thorn skeletonizer is a small dark-brown or reddish-brown moth. It overwinters as a pupa or an adult, with the females laying eggs in the spring. The caterpillars […]
Apple: Brown marmorated stink bug categories: Apple Apple Insects Tree Fruits last review date: 2026-02-02 02:25 Brown marmorated stink bug damage to apple fruitPhoto by: D. Pfeiffer, Virginia Tech Biology The brown marmorated stink bug (BMSB) is an introduced pest species from Asia that is spreading quickly across the United States. Nymphs and adults feed […]
Apple: Codling moth categories: Apple Apple Insects Tree Fruits last review date: 2026-02-02 02:50 Red Delicious apple infested with codling moth larvaePhoto by: M. Bush Biology The gray wings of adult codling moths are marked with dark brown bands near the wingtips. Wingspan is 1/2″ to 3/4″. Adult females lay eggs on leaves or fruit. […]
Apple: Cutworms and armyworms categories: Apple Apple Insects Tree Fruits last review date: 2026-02-04 04:09 Climbing cutworm, dark brown and hairlessPhoto by: K. Grey Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are typically medium-sized with fairly dull coloration. The gray to tan caterpillar are hairless, nocturnal, and generally spotted, […]
Apple: Earwigs categories: Apple Apple Insects Tree Fruits last review date: 2026-02-04 04:29 Adult European earwigPhoto by: M. Bush Biology Earwigs are reddish-brown insects about 3/4 inch or less in length. Both males and females have pincers at the rear end. Earwigs are largely beneficial, feeding on many pests such as aphids (including apple aphids), […]
Apple: Fruittree leafroller categories: Apple Apple Insects Tree Fruits last review date: 2026-02-06 01:50 Leafroller damage to fruitPhoto by: R.S. Byther Biology The larvae of the fruittree leafroller feed on leaves, flower parts, and sometimes young fruit. They are pale to dark green with a shiny black head and are about 3/4″ long at maturity. […]
Apple: Leafhoppers categories: Apple Apple Insects Tree Fruits last review date: 2026-02-06 01:58 Leafhoppers and damage on apple leafPhoto by: E.H. Beers Biology Leafhoppers are typically found on the underside of leaves. Immature leafhoppers (nymphs) are usually less than 1/10″ long and white to greenish or yellowish in color. Adults are white and about 1/8″ […]