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Vine weevils are beetles with broad snouts, they can feed on a wide range of plants, both indoors and outdoors, but can be especially damaging to plants grown in containers. It is a very widespread and common insect. The adult weevils eat leaves during spring and summer, but it is the grubs that can cause the most damage over autumn and winter ...
- What Do Vine Weevil Look like?
- What Are The Symptoms of Vine Weevil?
- Which Plants Are More Susceptible to Vine Weevil Damage?
- How Do I Control Vine Weevil Without Chemicals?
- Is There A Chemical Control For Vine Weevil?
Vine weevil larvae are creamy-white with brown heads, ‘C’ shaped, and up to 10mm long. Adult beetles grow up to 9mm long, are dull black in colour, and are mainly active at night. Their eggs are round and measure less than 1mm, so are hard to spot in soil.
At first you may notice irregularly shaped notches on leaf margins, particularly on evergreens such of rhododendrons and camellias. After this, look for sick or wilted plants – give them a gentle tug to see if the roots have been eaten, or you can carefully tip them out of their pots to examine the roots. Vine weevil larvae tend to be most active f...
Vine weevils attack a wide range of plants but they particularly favour primulas and polyanthus, cyclamen, fuchsias, strawberries and heucheras. Even if you don’t grow these plants, it’s worth placing several of them around the garden to act as an ‘early warning’ system. Examine them regularly for signs of infestation and you’ll know when to take a...
Adult vine weevils can be caught by hand and squashed – either inspect plants at night by torchlight when the beetles are active or shake pot-grown plants over newspaper Encourage wildlife, such as toads and birds, which will predate on the beetles and their larvae Buy and apply a biological control to control the larvae. A biological control is th...
The systemic insecticide acetamiprid can be used only on ornamental plants growing in containers. Don't use it on edible plants, or ornamentals growing in the ground. Be aware that this chemical belongs to the group of chemicals known as neonicotinoids, which have been widely in the news for the adverse effects they have on bees.
- BBC Gardeners' World Magazine
Oct 8, 2024 · There are other similar weevils that do much the same sort of damage. Clay-coloured weevils (O. singularis) eat leaves, and their maggots gnaw the roots and bark of woody plants. They are hard to distinguish from vine weevils, but this does not matter much as they are dealt with in the same way.
Most do not cause noticeable damage to garden plants and several species are uncommon. Vine weevil is classified in a subfamily of the known as the broad nosed weevils (Entiminae), so called because the of the broad snout (rostrum) these weevils have. There are over 100 species in this subfamily in Britain.
Adult vine weevils are dusty grey/black flightless beetles. They are all female and each can lay up to 1,000 eggs in a season. Eggs are laid during the summer and early autumn ready to become grubs in spring the following year. Vine weevil damage and symptoms. Adult vine weevils damage plants by eating irregular notches from the edges of leaves.
Jan 28, 2022 · If you suspect vine weevil, go check your plant at night and you should see them crawling around. They’ll likely play dead if you shine a torch on them. During the day they hide under plant pots, in the bases, under benches, and a myriad of places. Vine weevil adults. Vine weevils adults are: 1cm/half an inch in size.
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Mar 10, 2022 · Place the traps on the soil or compost beneath your plants and adult vine weevil will crawl into the grooves looking for shelter during the day. The nematodes will infect and kill them without harming anything else. Each trap controls adult vine weevils over 10 sqm or 4m of hedging for 6 weeks. Position when adults are active from June to ...
