Bean: Brown marmorated stink bug categories: Bean Bean Insects Vegetables revision date: 2023-04-04 12:00 Brown marmorated stink bug adultPhoto 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 of plant hosts. […]
Bean: Curly top (Beet curly top virus) categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Curly top virus symptoms on beanPhoto 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, squash, cucumber, and pepper. Typical […]
Bean: Damping-off categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Damping-off of cucumber seedlingsPhoto 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. Emerged seedlings are also attacked, […]
Bean: Cutworms and armyworms categories: Bean Bean Insects Vegetables revision date: 2023-04-12 12:00 Climbing cutworm, dark brown and hairlessPhoto 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, nocturnal, and generally spotted, striped, or […]
Bean: Fusarium root rot categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Fusarium root rot on beanR.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 the entire lower stem and […]
Bean: Spider mites categories: Bean Bean Insects Vegetables revision date: 2023-04-04 12:00 Spider mites under microscopePhoto 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 leaves, causing a yellowish stippling […]
Bean: Thrips categories: Bean Bean Insects Vegetables revision date: 2023-04-04 12:00 White speckling damage on pea leaf caused by thripsPhoto 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. Blossom drop may also occur. […]
Bean: Gray mold categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Botrytis gray mold on bean podsR.S. Byther Biology Gray mold of green beans is a fungal disease. It can affect any aboveground portion of the plant. Initial infections often occur on old flowers which remain on the plant. After initial infection, gray mold […]
Bean: Rust categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Early summer bean rust sporulationR.S. Byther Biology Bean rust is a fungal disease which typically affects leaves, but can also be found on stems and pods. Small white blisters develop on the upper surface of infected leaves early in the summer. The underside of […]
Bean: White mold (Sclerotinia rot) categories: Bean Bean Diseases Vegetables revision date: 2023-01-04 12:00 Sclerotinia white mold on bean pods and stemsPhoto by: R.S. Byther Biology White mold is a fungal disease which may attack stems, leaves, and pods of beans. Water-soaked spots appear on the lower portions of the plant. These spots soon show […]
Bees: Introduction categories: Bees Bees Intro Pollinators revision date: 2023-03-07 12:00 Mason bee with pollen on underside of abdomenPhoto by: J. Abel Biology Bees in North America are grouped into six families: 1. Colletidae (Polyester Bees) 2. Andrenidae (Mining Bees) 3. Halictidae (Sweat Bees) 4. Mellitidae (Oil-Collecting Bees), 5. Megachilidae (Leafcutter and Mason Bees) 6. […]
Colletidae: Polyester and Yellow-Faced Bees categories: Bees Colletidae Pollinators revision date: 2023-03-24 12:00 Polyester bee (Colletidae) on rabbitbrush flowerPhoto by: D. James Biology Bees in the family Colletidae are varied in appearance and have few common features except a two-lobed tip of their tongue. Polyester or Plasterer bees are named for their method of smoothing […]
Andrenidae: Mining and Miner Bees categories: Andrenidae Bees Pollinators revision date: 2023-03-24 12:00 Mining bee (Andrena sp.) on rabbitbrush flowersPhoto by: D. James Biology The Andrenidae are a large, nearly cosmopolitan family of solitary, ground-nesting bees. Andrena is a large and diverse genus of about 400 species in North America and many are specialist pollinators […]
Halictidae: Alkali Bees, Sweat Bees and Cuckoo Bees categories: Bees Halictidae Pollinators revision date: 2023-03-24 12:00 The alkali bee (Nomia melanderia), an important pollinator of alfalfaPhoto by: J. Abel Biology Halictidae occur worldwide and are the second largest family of bees. There are about 500 species in North America and they are small to medium-sized […]
Megachilidae: Carder Bees (Anthidium spp.) categories: Bees Megachilidae Pollinators revision date: 2023-03-24 12:00 European wool carder bee (Anthidium manicatum)Photo by: D. James Biology Carder bees are so-named because they ‘card’ or comb cottony down from hairy leaves using it to construct brood cells. There are 23 species in North America with at least one species, […]
Megachilidae: Leafcutter Bees (Megachile) categories: Bees Megachilidae Pollinators revision date: 2023-03-24 12:00 Leafcutter Bee (Megachile sp.)Photo by: D. James Biology Leafcutter bees are solitary bees, and as their name suggests, cut 0.25-0.5 inch circular pieces of leaves or petals from which to construct their brood cells in rotting wood, stems and soil. They construct cigar-like […]
Megachilidae: Mason Bees (Osmia spp.) categories: Bees Megachilidae Pollinators revision date: 2023-03-24 12:00 Mason bee with pollen on underside of abdomenPhoto by: J. Abel Biology There are three genera of Mason bees and closely related species (Hoplitis, Chelostoma, Osmia). Osmia is the most speciose genus with about 150 species in North America. These bees are […]
Apidae: Bumble Bees (Bombus spp.) categories: Apidae Bees Pollinators revision date: 2023-03-24 12:00 The yellow-faced bumble bee (Bombus vosnesenskii) found in gardens throughout most of Washington.Photo by: D. James Biology Very familiar, easily recognized and charismatic bees! Most common in higher latitudes of the northern hemisphere, there are less than 50 species of bumble bee […]
Apidae: Digger Bees (Anthopthora and Habropoda spp.) categories: Apidae Bees Pollinators revision date: 2023-03-24 12:00 Digger bee (Anthopthora sp.)Photo by: D. James Biology Digger bees are robust, ranging in size from 0.5-1.0 inch. Anthopthora is a large genus with more than 400 species worldwide and about 100 species in North America. Habropoda is less speciose […]
Apidae: Honey bee (Apis mellifera) categories: Apidae Bees Pollinators revision date: 2023-03-24 12:00 Honey bee (Apis mellifera)Photo by: D. James Biology The European honey bee is native to Europe, Asia and the Middle East but has been introduced to all parts of the world. Honey bees arrived in North America with European colonists in the […]