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Nemasys C [250 million]

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Nemasys C [250 million]

Item no. 210105784
On business days your request will be handled within 24 hours by the responsible account manager for your region. Royal Brinkman does not deliver to consumers or companies outside horticulture.
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Nemasys C to control shore flies (Scatella stagnalis) and caterpillars

Steinernema carpocapsae
Nemasys C is a biological product and contains the insect parasitic nematodes Steinernema carpocapsae. After administration, the nematodes actively search for and penetrate the prey, after which they excrete bacteria, killing the prey. Nemasys C is completely safe for humans, the environment, the crop and beneficial insects. The nematodes are active at a soil temperature between 12 and 30 ° C. The parasitic nematodes of S. carpocapsae have both a soil and a leaf application.

Product Features

  • Controls bank flies (Scatella stagnalis) and caterpillars.
  • Safe for humans, environment, crops and beneficial insects.
  • Kills prey by secretion of bacteria. 
  • Apply in humid conditions.

The packaging consists of trays of 50 million and 250 million insect parasitic nematodes. In addition, Nemasys C is also available in bulk packs of 5 trays x 250 million nematodes. Contents per tray: 87% insect parasitic nematodes, 13% inert ingredients and water. 

Instructions for use

Recommended nematode dosage:



amount of water 

Type of application


Tray 50 million

Tray 250 million

Interval days

Interval weeks

Blank fly(larvae)


ca. 2 l/m



100 m2

500 m2


2 - 4

Caterpillars like: Duponchelia, Floradimot, Turkish moth, Cabbage moth, etc.


3.000 l/ha



100 m2

500 m2

7 - 14

4 - 6


1.000 l/ha



100 m2

500 m2

7 - 14


 Prepare the spray liquid

  • Empty the contents of a tray into a bucket with 10 litres of water and stir the solution well. 
  • Use the entire tray at once.
  • Fill the spray vessel or spray tank for three quarters with water and add the nematode solution.
  • Fill the spray vessel / spray tank with the required amount of water.
  • Apply the nematode solution immediately after mixing.

The application can be carried out

  • The application can be carried out with the usual spraying equipment.
  • Remove all filters smaller than 0.3 mm (300 microns).
  • The pump pressure must not exceed 20 bar/2000 kPa. 
  • Stir the spray fluid continuously during application to prevent the nematodes from settling. 
  • Use a nozzle of 0.5 mm (500 microns) or larger.
  • The spray liquid cannot be stored.


  • Ensure moist conditions during application.
  • Do not apply in sunny weather.
  • Soil temperature between 14 - 30 °C. 
  • In a soil application against bank fly larvae, make sure that the nematodes end up on the top layer as much as possible.
  • In the case of a foliar application against caterpillars, ensure a foliar wet period of at least 2 hours. 
  • Eels can be applied together with various crop protection agents; for more information on tank mixes, consult your product specialist.

Receipt and storage
Upon receipt, check the product for abnormalities and report any complaints or comments within 24 hours. Preferably use the product immediately. If storage is required, the product should be stored in the dark at a temperature of 5-7°C. Remove the (overbox) packaging and ensure good air circulation around the trays. See packaging for expiry date. When the product is stored longer and/or under different conditions Royal Brinkman is not liable for loss of quality.

This product will not necessarily be approved or authorized in your country.
Please check with the appropriate authority in your country as to whether you may legally use this product.
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