They are granivores, and typically infest various kinds of seeds or beans, living most of their lives inside a single seed. They may consume nearly the entire bean contents. Bean weevils are actually beetles, lacking the snouts of true weevils. Sign up for the Truly Nolen email newsletter. Bean weevils thrive on all continents in the world with the exception of Antarctica. The females lay eggs in the soil near bean plants. … Pupation occurs in the beans and adults emerge through a round hole in the seed coat. The adult of the striped bean weevil is 10-15mm long, dark brown in colour with whitish to yellowish longitudinal stripes. Eggs are laid during late spring in the surface layers of the soil near suitable host plants, such as broad bean and garden peas. Striped bean weevil (Alcidodes leucogrammus). Beetles can be collected manually and destroyed. Adult weevils chew the edges of the leaves cutting circular discs. Cleaning and sanitizing the area where your dried bean products are stored helps to deter bean weevils and other pantry pests. *, Learn About How to Keep Bugs Away and More. ** Other pests include: Beetles, Boxelders, Bugs, Caterpillars, Earwigs, Millipedes, Silverfish. Q What is pea and bean weevil?. BEHAVIOR: The female bean weevil deposits her eggs on bean pods in the field or on whole beans in storage. These little pantry pests are actually beetles; very small beetles that rarely get any larger than ¼ of an inch. In Kenya, striped bean weevil only occurs occasionally, and to a minor extent and control measures are usually not required. COLOR: Olive-brown with brown or gray spots on wing covers. Pea and bean weevil overwinters as adult beetles that hide away in leaf litter and other sheltered places. $5.00 Sold out A multicolored bean with 4" pods on 6' tall pole beans. Fully-grown grubs are white, about 10mm long, have no less and are C-shaped. I'd also like to receive tips, news and updates from Truly Nolen. Probably originating in West Africa, according to historians, the majority of bean weevil populations spread throughout the world in legume shipments, while some were distributed by people moving dry stores of beans from place to place. Beans provide nutrition for developing larvae that eat their way into beans. They are often referred to as snout weevils. Emerging grubs bore and feed inside the stem, causing canker ous swelling or galls. Emerging grubs bore and feed inside the stem, causing cankerous swelling or galls. BEHAVIOR: The female bean weevil deposits her eggs on bean pods in the field or on whole beans in storage. Plants attacked by grubs of this weevil show stunted growth, lodging, and eventually may die. While vacuuming the bean weevils on your walls and windowsills works to rid your home of these pests, locating and removing the contaminated and infested stored dried bean sources will help to eliminate bean weevil infestations. The larvae are creamy white legless grubs with pale brown heads. Save $50 on Four Seasons Pest Control with a new service contract when you schedule a free inspection or service online. Thank you for signing up for the newsletter! Its thorax is covered with fine yellow-orange hairs. Grubs of weevils live in the soil feeding on roots or may bore into the stem of the bean plant causing swellings or galls, as is the case of the striped bean weevil. How to Prevent Bean Weevil Infestations. Bean Weevil. The adult of the striped bean weevil is 10-15mm long, dark brown in colour with whitish to yellowish longitudinal stripes. Get rewarded for referring friends to Truly Nolen! COLOR: Olive-brown with brown or gray spots on wing covers. Scientific name: Chrysomelidae; Size: 3.5 to 5mm; Color: Black or brown; Appearance: Compact oval-shaped, often with mottling or striped patterns; Bean Weevil Behavior. Because bean weevils, also commonly called seed weevils, infest a variety of seeds and beans and actually belong to the family Chrysomelidae, which includes leaf beetles. Weevils are a type of beetle but are distinguishable by their elongated snout.