Blackberry: Brown marmorated stink bug Categories: Blackberry Blackberry Insects Small Fruits Last review date: 2025-12-04 02:50 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 […]
Strawberry: Common leaf spot Categories: Small Fruits Strawberry Strawberry Diseases Last review date: 2025-11-08 11:12 Strawberry common leaf spot Photo by: R.S. Byther Biology Common leaf spot is caused by a fungus that overwinters on old, infected leaves. It produces abundant spores in lesions of infected leaves, and rain splashes them onto healthy tissue. Only […]
Strawberry: Gray mold Categories: Small Fruits Strawberry Strawberry Diseases Last review date: 2025-11-10 11:39 Botrytis gray mold on strawberry Photo by: R.S. Byther Biology Fruit rot is caused by a fungus which attacks many plants. Strawberry leaves, stems, flowers, and buds may be attacked, but the worst damage is to the fruit. The rot typically […]
Strawberry: Red stele Categories: Small Fruits Strawberry Strawberry Diseases Last review date: 2025-11-10 11:47 Strawberry roots showing discolored stele Photo by: R.S. Byther Biology Red stele is caused by a soil-infesting fungus. It is active in cool, wet weather. It attacks roots soon after fall rains begin and remains active through winter, spreading most rapidly […]
Strawberry: Viruses Categories: Small Fruits Strawberry Strawberry Diseases Last review date: 2025-11-11 07:56 Strawberry crinkle virus damage Photo by: R.S. Byther Biology Crinkle virus, mottle virus, mild yellow-edge virus, and vein-banding virus commonly infect Pacific Northwest strawberry plants. They are transmitted by the common strawberry aphid and can decrease vigor and yield. Usually, the only […]
Strawberry: Aphids Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 08:16 Aphids Photo by: Unknown Biology Aphids are small, soft-bodied, pear-shaped insects. They vary in color from yellow to green to brownish. Aphids on strawberries are typically found on the underside of leaves along veins and on new shoots and buds in the […]
Strawberry: Brown marmorated stink bug Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 08:26 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 […]
Strawberry: Cutworms and armyworms Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-12 01:34 Western yellow stripe armyworm Photo by: Unknown Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are medium sized with fairly dull coloration. The greenish, grayish, or tan caterpillars are hairless, nocturnal, and generally spotted, striped, […]
Strawberry: Leafrollers Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 09:12 Leafroller caterpillar, green with shiny black head Photo by: S.M. Fitzpatrick and J.T. Troubridge Biology Several species of leafrollers can occur on strawberry. The caterpillars are typically light to dark green with light or dark heads and are about 3⁄4″ long at […]
Strawberry: Mites Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 10:22 Cyclamen mite damage on strawberry Photo by: A.L. Antonelli Biology Cyclamen mites and two-spotted spider mites can be pests on strawberries. Cyclamen mites are microscopic, amber, oval mites typically found in the crown of the plant on the new growth. Young leaves […]
Strawberry: Root weevils Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 10:36 Root weevil damage on strawberry Photo by: A.L. Antonelli Biology Several species of root weevils are common pests of strawberries. Adults are typically brown to black in color and may have lighter markings on the back. They range in size from […]
Strawberry: Slugs Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 10:42 Slug damage and slime Photo by: R.S. Byther Biology Slugs are common garden pests in western Washington. They resemble snails but lack shells. They may vary from as little as 1⁄4″ up to several inches in length, depending on age and species. […]
Strawberry: Spittlebugs Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 10:47 Spittle bug foam Photo by: A.L. Antonelli Biology Spittlebugs feed on many plants. On strawberry, the nymphs feed on the leaves and leaf stems, preferring the tender new growth. Infested plants are stunted, and leaves may be distorted or killed. They may […]
Strawberry: Spotted wing Drosophila (SWD) Categories: Small Fruits Strawberry Strawberry Insects Last review date: 2025-11-11 11:07 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 […]
Raspberry: Anthracnose Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 06:44 Raspberry anthracnose Photo by: R.S. Byther Biology Anthracnose is a fungal disease. It occurs primarily on raspberry canes but can also affect leaves and fruit. Initial infections typically occur on the lower portions of canes toward the inside of the plant. Canes […]
Raspberry: Boron deficiency Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 06:55 Boron deficiency symptoms on leaves Photo by: R.S. Byther Biology Boron deficiency affects the level of growth hormones in plant tissue, as well as pollen tube growth. Bud break in the spring is delayed, and many buds die off. Other symptoms […]
Raspberry: Fruit rot and cane Botrytis Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:16 Botrytis on fruit Photo by: R.S. Byther Biology Fruit rot is caused by a fungus. The disease is characterized by a watery, soft rot of infected fruit, either in the field or in storage. In moist conditions, the […]
Raspberry: Phytophthora root rot Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:37 Phytophthora root rot on raspberry Photo by: R.S. Byther Biology Phytophthora root rot can be a problem in the Pacific Northwest when raspberries are planted in areas with poor drainage. The fungus attacks the fine roots, which rot and die. […]
Raspberry: Powdery mildew Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:46 Powdery mildew on raspberry Photo by: R.S. Byther Biology Powdery mildew is a fungal disease which can affect leaves, shoot tips, new canes, and fruit of red and black raspberries, blackberries, and hybrids including ‘Logan’ berries. Leaves show pale green to […]
Raspberry: Spur blight Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 08:11 Raspberry spur blight Photo by: R.S. Byther Biology In early April, pin-point size black fruiting bodies (perithecia) can be found in the gray affected areas of cane tissue. The fruiting bodies release ascospores, which infect leaves on both fruiting canes and […]