TRICHO-STRIP
Trichogramma brassicae
Unit of packaging
Trichogramma brassicae (parasitic wasp)
Pack size: 5 x 10 cardboard strips each with 5 cards wrapped in cellophane and in a box
Contains: parasitized butterfly eggs, from which 50,000 parasitic wasps hatch
Target
Egg stages of several butterfly species, like Mamestra, Laconobia, Chrysodeixis and Autographa.
Rates | |||||
TRICHO-STRIP | rate | m²/unit | interval (days) | frequency | remark |
preventive | 5/m² | 2000 | 7 | min. 8x | - |
curative light | 10/m² | 1000 | 7 | min. 8x | - |
curative heavy | 20/m² | 500 | 7 | min. 8x | - |
Introduction
- open package carefully in the greenhouse
- bend strips and tear off. Start tearing opposite hang-up hole
- suspend the cards low in the crop
- do not touch the pupae, they are easily damaged
Storage and handling
- storage after receipt: 1-2 days
- storage temperature: 10-15°C/50-59°F
- in the dark
Remarks
The black (empty) pupae stay on the card after emergence.
Appearance
Female adults: size ± 0.6 mm, black head, black thorax, yellow abdomen
Other stages: develop inside host
Mode of action
Female adult parasitic wasp parasitizes butterfly eggs.
Visual effect
The first parasitized eggs can be observed in the crop about 1 week after introduction. Parasitized butterfly eggs colour black. In large butterfly eggs parasites can lay several eggs and more parasites per egg will emerge.
Important!
The introduction rates of this product should be adjusted to the mode of action of the product and the results that can be expected in the crop where the product is applied. Your local Koppert consultant or recognized distributor will be able to advise you further.
Only use products that are permitted in your country/state and crop. Check local registration requirements.
Koppert Biological Systems can not be held liable for unauthorized use.


