All are beetles with root-feeding larvae and leaf-eating adults. Growers report satisfactory control of black vine and strawberry root weevil in red raspberry with Capture, but reported increased incidence of fruit contamination during harvest by the rough strawberry root weevil. The strawberry root weevil overwinters as a full-grown larva, pupa, or adult in soil, or as an adult in plant debris or other protective habitat. The weevil is about ¼ of an inch long and dark brown in color. Taxus capitataseems to be particularly susceptible to attack, giving this pest the name "taxus" weevil by the nursery and landscape industry. Strawberry root weevil (Otiorhynchus ovatus) Host plant: strawberries. They pupate in the upper layers of soil in the spring and change into adults later in the spring or in summer, joining the adults of the previous summer to feed on leaves and fruit. The weevil is about ¼ of an inch long and dark brown in color. larvae are usually in the center. Both the strawberry root weevil larvae and adults overwinter within leaf litter and other vegetative debris on the ground and, upon warming weather, larvae begin feeding in the soil on the plant roots. Occasionally the larvae cause serious damage to seedlings and young transplants in plantations and nurseries (Rose and Lindquest 1985). Root weevils can be one of several kinds. The plants that are fed upon by the larvae are stunted and have reddish leaves that curl exposing the underside, and the plant wilts as the fruits form, especially in dry weather. There are several close relatives of the black vine weevil, the strawberry root weevil, O. ovatus (Linneaus), the rough strawberry root weevil, O. rugosostriatus (Goeze), and the clay-colored weevil, Otiorhynchus singularis (Linneaus). [4][5] The fine roots and sometimes even the hard fibrous roots are destroyed, allowing for the plants to be easily pulled from the soil. Root weevils have a single generation each. Identification Weevil larvae, or grubs, feed on strawberry roots. However, there are several weevil pests, including strawberry root weevils. The strawberry root weevil is a native insect and common in eastern Canada and the eastern United States. Damage is most common in lighter soil types when strawberries are grown after pasture, sod, or occasionally after a grain crop. Symptoms. In some cases, large numbers of weevils may be discovered crawling on floors, walls and even ceilings. In spring, they resume feeding and can cause extensive damage before they pupate. In nurseries, they are known to be pests of some evergreen shrubs. Strawberry root weevils, on the other hand, are common pests in strawberries and raspberries. However, there are several weevil pests, including strawberry root weevils. The strawberry root weevil adult is flightless. Learn more about the types of cookies we use by reviewing our updated Privacy Policy. Strawberry root weevils depend on their host plants to survive, so long-term relief from infestations depends on the building owner’s willingness to replace such plants in the landscaping. An easy way to describe them is "light bulb shaped." Strawberry Root Weevil Control. Nova Scotia strawberry producer Jackson Lore is a true believer in the use of beneficial nematodes as a root weevil bio-control. The species was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. The abdomen is quite rounded and in when viewed in profile, the weevil’s short snout can be easily seen. Adult weevils are the several species of weevil, is here again plants as well there are several of! Or the strawberry root weevils are legless grubs, with a name like strawberry root weevil strawberry. The worst insect pests that attack rhododendrons are the first to deposit eggs the following.. Weevil larva are white, legless, with a darker colored head and thorax and large, abdomen! 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