Bean: Bean aphids Categories: Bean Bean Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: Bean aphid on leaf K. Grey Biology Bean aphids are small, pear-shaped, dark green to black insects. These soft-bodied insects often feed in clusters on the shoot tips and leaves of new growth. Severe infestations can result in curled […]
Bean: Bacterial blights Categories: Bean Bean Diseases Vegetables Last review date: 2026-08-29 06:21 Last edit date: Halo blight on green bean foliage C. Vanderstoep Biology Three distinct bacterial blights may affect beans in the area: halo blight (Pseudomonas syringae pv. phaseolicola), common bacterial blight (Xanthomonas axonopodis pv. phaseoli) bacterial brown-spot (Pseudomonas syringae pv. syringae). Bacteria […]
Bean: Common and yellow mosaics Categories: Bean Bean Diseases Vegetables Last review date: 2026-02-16 03:30 Last edit date: Bean yellow mosaic virus symptoms R.S. Byther Biology Bean common mosaic and bean yellow mosaic are virus diseases typically transmitted by aphids. The bean common mosaic virus is also seed-transmitted. Typical symptoms of these virus infections include […]
Bean: Brown marmorated stink bug Categories: Bean Bean Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: 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 […]
Bean: Curly top (Beet curly top virus) Categories: Bean Bean Diseases Vegetables Last review date: 2026-02-16 03:38 Last edit date: Curly top virus symptoms on bean Photo by: G.Q. Pelter Biology Curly top of bean is caused by Beet Curly Top Virus, a virus transmitted by beet leafhoppers. Many crops are affected, including tomato, bean, […]
Bean: Damping-off Categories: Bean Bean Diseases Vegetables Last review date: 2026-02-18 03:00 Last edit date: Damping-off of cucumber seedlings Photo by: R.S. Byther Biology Damping-off is caused by fungi that remain in the soil for long periods of time. Seeds may be rotted, and seedlings may be infected and fail to emerge from the soil. […]
Bean: Cutworms and armyworms Categories: Bean Bean Insects Vegetables Last review date: 2026-09-29 06:57 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 medium sized with fairly dull coloration. The greenish, grayish, or tan caterpillars are hairless, […]
Bean: Fusarium root rot Categories: Bean Bean Diseases Vegetables Last review date: 2026-02-18 03:07 Last edit date: Fusarium root rot on bean R.S. Byther Biology Root rot is a fungal disease which attacks the roots and underground stems of beans. Young, infected plants show reddish-brown streaking on the stem or taproots. The streaks spread until […]
Bean: Spider mites Categories: Bean Bean Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: 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 beans. They typically feed on the underside of […]
Bean: Thrips Categories: Bean Bean Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: White speckling damage on pea leaf caused by thrips Photo by: A.L. Antonelli Biology Thrips are tiny (≤1⁄20″), elongate, yellowish to dark insects. They typically feed in flower buds and blossoms. Thrips feeding can cause buds to fail to open. […]