Common in England and Wales, less so further north. The adult beetle is inconspicuous, about 4mm long and dark brown in colour. The adult beetle is inconspicuous, about 4mm long and dark brown in colour. Pruning is also easy. Raspberry Beetle The raspberry beetle Byturus tormentosus is a serious pest of raspberries, blackberries and hybrid berries (tayberries, loganberries etc.) Adult beetles are trapped before the crop flowers. Raspberry Beetle maggots cause serious damage to raspberries, loganberries and blackberries. Home »; Raspberries pests & diseases. Raspberry beetle (Byturus tomentosus) is a common pest of raspberries but will also damage blackberries and loganberries. The damage is produced either by the adults, or the larvae. The insect has a generation per year, or one every two years, and it spends the winter as an adult or larvae in the superficial layer of the soil. There may even be tiny grubs inside the fruits. Raspberry beetle (Byturus tomentosus) The adult has a long, grey body. Just cut the canes right down to the ground every spring because the fruit is produced on new wood. Though the beetle larvae are pests for Raspberry growers, adults can be found feeding on pollen on a variety of wildflowers. Once the canes are cut, dig lightly through the soil to disturb any raspberry beetle larvae. Chop out any unwanted canes in early spring just as they appear. But even the perfect row of raspberries will suffer from something sooner … Scottish Crop Research Institute Controlling Raspberry Beetle without pesticides ® Mitchell, C., Gordon, S.C. and Birch, A.N.E. It overwinters in the soil, emerging from April to early June. Adult beetles are trapped before the crop flowers. The adult is approximately 4mm long, covered with yellowish-brown hairs which later fade to greyish brown. ... UK Status. This spray will be sold at your local garden centre. Ruth Thomas is a special needs teacher and writer from Lewisham whose debut book, Miss Kelly and the Blasted Berry Battle was recently published. Raspberries wander away from the row and they need firm control. {Description} Raspberry beetle (Byturus tomentosus) is a pest of raspberries and will also damage blackberries and loganberries. Raspberries pests & diseases PESTS & DISEASES. Control them organically by using a pheromone trap, or by using a deltamethrin-based spray. Buying Raspberry canes from a specialist source, and making sure they are well treated to get the most vigorous and happy canes, will encourage some natural defence against these enemies, and problems will be much less common. Have you ever wondered who would win a fight between a beetle and a raspberry? The small adults often congregate within flowers, particularly composites such as Dandelion. The larvaeare brown or yellow. Raspberry beetle (Byturus tomentosus) maggots cause serious damage to raspberries, loganberries and blackberries. These tend to create more havoc for the summer-fruiting cultivars. The adult beetle is inconspicuous, about 4mm long and dark brown in colour. The large off-white vanes combined with a floral attractant lure act as a ‘’super raspberry flower’’ that is irresistible to the beetles and draws them into the funnel trap bucket below, permanently removing them from your crop. Agralan Raspberry Beetle Trap catches and kills adult beetles as they emerge from the soil in the late spring. The larva are 6-8mm long, creamy white, with brown markings on their upper surface. When Miss Kelly’s garden comes to … It overwinters in the … VC55 Status. It overwinters in the soil, emerging from April to early June. A raspberry beetle attack causes smal,l dry patches in the fruits, towards the stalk.