How do you know if you have vine weevil?
Symptoms
- Adult weevils are approximately 9mm (about 5/16in) long and dull black with dirty yellow mark on the wing cases. They cause irregular-shaped notches of leaf margins during the summer.
- The plump c-shaped white legless grubs have light brown heads and are up to 10mm (about 3/8in) long.
How do you get rid of vine weevil larvae?
How to get rid of vine weevil grubs:
- Introduce pathogenic vine weevil nematodes as a biological control.
- To get rid of vine weevil grubs in pots or containers, drench the compost with a systemic and contact insecticide* which will kill off the grubs and interrupt the life cycle of the pest.
Can you see vine weevil eggs?
If you spot golden-brown or clear egg-like objects in the soil or compost then they’re NOT vine weevil eggs. Vine weevil eggs are brown and tiny and you’d need a hand lens to see them.
What do baby vine weevils look like?
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.
Where do vine weevils hide during the day?
Therefore, vine weevils cannot fly but can walk very well. They are strictly nocturnal; during the day they hide, and can often be found between the inside of a plant pot and its contents, under lumps of e, in vegetation and under planks etc.
What plants do vine weevils not like?
Which plants do vine weevils not like? Plants with fragrant leaves seem to be less frequently attacked by adult weevils. Plant Lavender, Lemon Balm, Geranium macrorrhizum, and Mint. They also seem less attracted to furry leaves such as those of Stachys byzantina.
Can I drown vine weevil grubs?
The advice seems to be to submerge the plant (not the top growth) in water for 48 hours. This is not long enough to damage the plant significantly but apparently it does drown the vine weevils.
What time do vine weevils come out?
About Black vine weevil Adults are mainly nocturnal and only feed at night. Adult vine weevils appear between March and April from the soil of indoor pots, and between May and June from outdoor pots and borders. After mating, each female lays between 500 to 1, 500 eggs into the soil around their favourite host plants.
What is the most effective vine weevil killer?
nematodes
Nemasys Vine Weevil Killer is both safe and highly effective in the control of vine weevil grubs. The treatment consists of natural nematodes, a tiny parasitic worm that feeds on the vine weevil larvae. Using a basic watering can, the nematodes can be applied to the soil between March and October.
Can you reuse compost with vine weevil?
ANSWER: No, if the plants have life in them you may be able to save them. You need to wash the roots in water to remove every trace of soil on them and then replant in new compost. COMMENT:I must share my experiences with the vine weevil.
What do you do with the soil infested with vine weevil?
Nemasys Vine Weevil Killer is both safe and highly effective in the control of vine weevil grubs. The treatment consists of natural nematodes, a tiny parasitic worm that feeds on the vine weevil larvae. Using a basic watering can, the nematodes can be applied to the soil between March and October.
Where do vine weevils go during the day?
Vine Weevil Life Cycle All vine weevil are female, and so all adults are capable of laying eggs. The adults are nocturnal, hiding during the day at the base of plants, under plant pots or hidden in debris. They can often be found inside houses.