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Effective against vine weevil larvae, even at low temperatures

What is Kraussei-System?
  • Microscopically small worms of the species Steinernema kraussei
  • Contains an insect-killing symbiotic bacterium
  • Effective in a temperature range between 5°C and 30°C
What are the benefits of Kraussei-System?
  • Knockdown effect caused by super-fast control
  • Wide application window (from February to November)
  • Long-term protection against soil-dwelling vine weevil larvae
  • Efficient at both cold and warm soil temperatures
  • No side effects on beneficials
  • Safe for people and environment
Which pests does Kraussei-System control?
  • Vine weevil larvae (Otiorhynchus sulcatus)
How does it control pests?
  • Infectious juvenile nematodes penetrate the host through natural orifices
  • Once in the body cavity, the symbiotic bacteria are released
  • The symbionts kill the host within 24 to 48 hours
  • The nematodes multiply in the cadaver
  • New infectious nematodes leave the cadaver in search of other pests
In which crops is Kraussei-System effective?
  • Both in outdoor and container crops
  • Tree nurseries
  • Soft fruits


Kraussei-System is delivered as a gel formulation in the following units:
  • 5 million nematodes
  • 50 million nematodes
  • 250 million nematodes

Relevant crops

  • Strawberry
  • Tree and shrub nursery

Relevant pests and diseases

Black vine weevil


Technical Sheet
Tank mix compatibility