Effectively controls thrips, fungus gnats and leaf miner

What is Steinernema-System?

  • Microscopically small worms of the species Steinernema feltiae
  • Contains an insect-killing symbiotic bacterium
  • Effective in a temperature range between 10°C and 30°C

What are the benefits of Steinernema-System?

  • Knockdown effect caused by super-fast control
  • Effective in the soil and on the leaf
  • Long-term protection against soil-dwelling pests
  • No side effects on beneficials
  • Safe for people and environment

Which pests does Steinernema-System control?

  • Larvae of the fungus gnats (Bradysia spp.)
  • Larvae of the mushroom fly (Lycoriella spp.)
  • Adults and pupae of the western flower thrips (Frankliniella occidentalis)
  • Larvae of the leaf miner (Liriomyza spp.)
  • Larvae of the crane fly (leatherjackets)

How does Steinernema-System 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 Steinernema-System effective?

  • Vegetable crops
  • Ornamental crops
  • Soft fruits
  • Tree nurseries

Want to know more? Contact your Biobest advisor for tailored advice.


Steinernema-System is delivered as gel formulation in units of:

  • 5 million nematodes
  • 50 million nematodes
  • 250 million nematodes
  • 600 (12x50) million nematodes

The following packaging units are offered especially for foliar applications:

  • 1.000 millions nematodes
  • 1.250 (5x250) millions nematodes

Local regulations may impose restrictions on the use of this product. Contact your authorities or contact your Biobest consultant.
We produce our products and solutions for professional growers in horticulture.

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