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Merciless gall midge larvae

What is Feltiella-System?
  • The gall midge Feltiella acarisuga of which the larvae are beneficials
  • The larvae feed on various species of spider mite in any developmental stage such as the two spotted spider mite and the carmine spider mite
  • The adult gall midges feed on pollen and nectar
  • Immediately after hatching, the larvae start sucking their prey empty
  • The female has excellent searching ability for spider mite hot spots where she can lay more than a 100 eggs
What are the advantages of Feltiella-System?
  • Also active in cold and dark weather in spring and autumn
  • Eats 30 spider mites in various stages, which is at least 5 times as many as the predatory mite Phytoseiulus persimilis
  • Contrary to some other gall midge species, larvae of Feltiella acarisuga do not cause damage by forming galls on leaves
  • The larvae also eat spider mites that are in diapause
In which crops you can introduce Feltiella-System?
  • Vegetable crops such as tomato, sweet pepper and eggplant
  • Soft fruit such as strawberry
  • Ornamentals crops such as anthurium, rose and gerbera



Packaging: 1 l plastic bucket

Contents: 250 pupae

Carrier: wood shavings



Packaging: 280 ml plastic box

Contents: 250 pupae

Carrier: wood shavings

Relevant crops

  • Strawberry
  • Medicinal cannabis
  • Anthurium
  • Tree and shrub nursery
  • Tomato and Cherry tomato
  • Sweet pepper and Hot pepper
  • Roses
  • Melon and Watermelon
  • Green and Runner bean
  • Grapes
  • Gerbera
  • Eggplant (aubergine)
  • Cucumber and Gherkin
  • Chrysanthemum

Relevant pests and diseases

Spider mites


Technical Sheet