Grape: Botrytis bunch rot (Gray mold) categories: Grape Grape Diseases Small Fruits last review date: 2026-05-15 06:20 Botrytis bunch rot (gray mold) on grape Photo by: Univ. of Georgia/bugwood.org Biology This fruit rot is caused by a fungus which also causes disease in strawberries, raspberries, and many other plants. In grapes, the disease is typically […]
Grape: Powdery mildew categories: Grape Grape Diseases Small Fruits last review date: 2026-05-15 09:54 Powdery mildew on grape Photo by: R.S. Byther Biology Powdery mildew is a fungal disease which affects all aboveground portions of grapes. Leaves develop characteristic white to grayish patches of fungus on the underside. Both surfaces of shaded leaves may be […]
Grape: Brown marmorated stink bug categories: Grape Grape Insects Small Fruits last review date: 2026-05-15 06:48 Brown marmorated stink bug adult Photo by: M. Bush 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 on a wide variety […]
Grape: Cutworms and armyworms categories: Grape Grape Insects Small Fruits last review date: 2026-05-15 07:08 Climbing cutworm, dark brown and hairless Photo by: K. Grey Biology Cutworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. The greenish, grayish, or tan caterpillar are hairless, nocturnal, and generally spotted, striped, […]
Grape: Grape erineum mite categories: Grape Grape Insects Small Fruits last review date: 2026-05-15 07:17 Grape erineum mite damage Photo by: A.L. Antonelli Biology The grape erineum mite (Collomerus vitus) is actually a type of eriophyid mite. They are very tiny, whitish, worm-like, and spindle-shaped. Their bodies have definite annulations or rings, and only two […]
Grape: Spider mites categories: Grape Grape Insects Small Fruits last review date: 2026-05-15 10:22 Spider mites under microscope Photo by: L.K. Tanigoshi Biology Spider mites are tiny, eight-legged mites which may range in color from yellowish to green or red. Several species may occur on grape. They typically feed on the underside of leaves, causing […]
Grape: Spotted wing Drosophila (SWD) categories: Grape Grape Insects Small Fruits last review date: 2026-05-15 11:03 Spotted wing drosophila larva and fruit damage Photo by: W. Hoashi-Erhardt Biology Spotted wing Drosophila (SWD) resembles other Drosophila species (fruit flies or vinegar flies) in appearance, but unlike other members of the family which attack only overripe, damaged […]