Apple: Aphids Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-29 06:57 Last edit date: Rosy apple aphids Photo 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 […]
Apple: Apple ermine moth Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-29 06:57 Last edit date: Apple ermine moth Photo 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 […]
Apple: Apple maggot Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-28 06:57 Last edit date: Apple maggot tunneling Photo 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 […]
Apple: Apple-and-thorn skeletonizer Categories: Apple Apple Insects Tree Fruits Last review date: 2026-08-29 06:40 Last edit date: Apple-and-thorn skeletonizer caterpillar feeding on leaf Photo 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 […]
Apple: Brown marmorated stink bug Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-29 06:57 Last edit date: Brown marmorated stink bug damage to apple fruit Photo 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. […]
Apple: Codling moth Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-28 06:57 Last edit date: Red Delicious apple infested with codling moth larvae Photo 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 […]
Apple: Cutworms and armyworms Categories: Apple Apple Insects Tree Fruits Last review date: 2026-08-29 06:40 Last edit date: Climbing cutworm, dark brown and hairless Photo 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, […]
Apple: Earwigs Categories: Apple Apple Insects Tree Fruits Last review date: 2026-02-04 04:29 Last edit date: Adult European earwig Photo 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 […]
Apple: Fruittree leafroller Categories: Apple Apple Insects Tree Fruits Last review date: 2026-09-29 06:57 Last edit date: Leafroller damage to fruit Photo 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 […]
Apple: Leafhoppers Categories: Apple Apple Insects Tree Fruits Last review date: 2026-02-06 01:58 Last edit date: Leafhoppers and damage on apple leaf Photo 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 […]