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Nematode trap for black vine weevils

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Expected from March 2024

  • Grooved wooden plank filled with nematodes in gel
  • Adult vine weevils shelter under the trap and are infected
  • Infected weevils die off within a week
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    Kim
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    Trap for vine weevil

    The trap for vine weevil (otiorhynchus) consists of a wooden board with grooves. In these grooves is a gel filled with 2.5 million nematodes. Vine weevils are nocturnal beetles that hide during the day under all kinds of materials on the ground between plants, such as pots, leaves, branches and also our wooden boards. The adult vine weevil will hide under the board lined with gel with nematodes that will infect it after a few minutes and make it die within a week. The trap will infect the weevils for six weeks.

    Directions for use

    • Remove the vine weevil's alternative shelters such as dead leaves and bark so that the vine weevil hides preferably under the board.
    • Lightly moisten the soil where you will place the traps. The best solution is to place them in a shady area near vulnerable plants.
    • Remove the board from the package and place the trap on the ground with the grooves and gel facing down. If the gel falls out of the grooves, dampen it slightly. The gel will swell and stay in place in the grooves.
    • Make sure the board doesn't fully dry out for six weeks (rain or regular watering of plants is sufficient).

    When to use

    The vine weevil trap can be used from the beginning of May to October. The nematodes are most effective at a soil temperature between 12°C and 30°C.

    Treatment area

    One trap is sufficient for 10 m² or 5 linear meters of hedge.

    Pro's & cons
    • plus-circle Effectively kills adult vine weevils
    • plus-circle Easy to use: simply place the trap with the nematodes-side down and ensure it doesn't fully dry out
    • plus-circle Long-lasting control: continues to infect vine weevils for 6 weeks
    • minus-circle Does not have any effect on black vine weevil larvae, which cause the majority of damage: use Kraunema
    • minus-circle The weevils do not die inside the trap itself, so you cannot see how many have been killed
    Reviews
    Kim
    Need help?
    We are available from 9 a.m. to 5 p.m. CET, Monday through Friday. We speak English, Dutch, French and German!
    Contact us