Trichogramma wasps card hang on a fruit tree to control pests in fruits

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Identification card icon Identification

Tricho-Fruits® is a biological control product used to protect trees and shrubs in gardens, urban parks, residential courtyard and small orchards. Inside the card, there are trichogramma pupae in host eggs, a tiny moth egg parasite wasp of the species Trichogramma minutum.

Trichogramma wasp is tiny and less than 1 mm. After mating, the female is actively searching for moth and butterfly eggs such as Codling moth (Cydia pomonella), obliquebanded leafroller (Choristoneura roseceana), Leafroller (Platynota sp.) and several other defoliating species. She lays her eggs inside these. As the larva develops, it consumes the contents. A new generation emerges after 2 weeks.

The species Trichogramma minutum has been specifically selected for maximum results in suppressing moth and butterfly (Lepidoptera) eggs in fruit trees. Usually, the introduction of the Tricho-Fruits® begins with flowering. The optimum conditions of use are when the ambient temperature is above 15 ° C. Generally, 5 releases per season are usually required for good pest control. Apply new card on the tree to be protected every 7 days.

  • Fruit trees (apples, pears, etc.)
  • Small fruits (blueberry, raspberry, etc.)
  • ornamental trees and shrubs

  • Borer, obliquebanded leafroller (Choristoneura roseceana)
  • Codling moth (Cydia pomonella)
  • Leafroller (Platynota sp.)
  • Fruit tree leafroller (Archips argyrospila)
  • Redbanded leafrollers (Argyrotaenia velutinana)
  • Spruce budworm (Choristoneura fumiferana)
  • Other pests butterflies

  • Optimal conditions are a temperature between 18 and 30 ° C and a humidity relativede 50 and 80%.
  • A female lays 40-60 eggs in her lifecycle.
  • The development of the larvae lasts 10 days.
  • Trichograms on maps emerge after 2-4 days depending on the room temperature.
  • The eggs parasitized by Trichogramma blacken after 4-6 days. New adults emerge 3-6 days later depending on temperature.


Tricho-Fruits card

Water-resistant paper card, which on the inside contains glued pupae of Trichogramma minutum..

Application rate

Tricho-Fruits Trichogramma wasp
Crops Quantity Surface Frequency Duration
General 1 card for 25 m2 or 270 ft2 week 5 weeks
Dwarf tree 1 card per tree week 5 weeks
Semi-dwarf tree 2 cards per arbre week 5 weeks
Full size tree 3 cards per tree week 5 weeks

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Biological control products and beneficial insects for farmers and greenhouse growers