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FAQ Trichogramma wasps
Do you have questions about our products, their application, or shipping? Here you will find the most important answers at a glance. If something remains unclear, feel free to contact us!

Trichogramma wasps are tiny insects that parasitize pest eggs. They lay their eggs inside the pest eggs, which destroys them and stops the pest population from multiplying.
Yes, Trichogramma wasps are harmless to humans and pets. They do not sting and contain no toxic substances.
A “trigram” card is a carrier material on which the Trichogramma wasp eggs are applied. These cards are used to control pest infestations.
The Trichogramma wasps begin fighting the pest eggs within a few days of the cards being placed. The entire process can take several weeks.
Once there are no more pest eggs left, the Trichogramma wasps die off naturally.
Signs of a moth infestation include small holes in clothing or food packaging, as well as visible moths or their larvae.
Signs of a fruit moth infestation include boreholes or maggots in fruit.
The cards are securely packaged and sent by mail. Delivery in Germany is handled by Deutsche Post. Please check your mailbox regularly.
Yes, the Trichogramma wasps are packaged in such a way that they survive even in cold temperatures.
Follow-up deliveries are automatic, which is why there is often no tracking available. If you have any questions, you can contact us at any time.
Live beneficial insects are excluded from returns. However, we are happy to help you if you encounter any problems.
Shipping Information
- Fresh shipping: Orders from Monday to Thursday are shipped fresh daily.
- Weekend orders: Orders placed after 9 AM on Thursday will be shipped the following Monday to ensure the freshest possible beneficial insects.
Place the cards near the affected areas, such as cupboards or pantries. The Trichogramma wasps will actively search for pest eggs.
No, the cards do not need to be opened. Simply place them exactly as they were delivered.
Treatment generally takes several weeks. The cards should be replaced every three weeks until the infestation is completely eradicated.
Place the cards immediately upon receipt and avoid using chemical products near the cards.
Please refer to the respective product descriptions. We explain how many cards you need there.
Trichogramma wasps only travel short distances. Therefore, it is important to place the cards in the immediate vicinity of the infestation.
Yes, pheromone sticky traps can be used in parallel to catch adult pests.
Yes, it is possible that the Trichogramma wasps are resting in the packaging. Place the cards as instructed so that they can hatch.
The treatment takes several weeks because the Trichogramma wasps must continuously parasitize new pest eggs. A shorter application period is often not enough to completely eliminate the infestation.
Infested food should be disposed of to stop the moths from multiplying and to ensure the effectiveness of the Trichogramma wasps.
Foods like flour, grains, nuts, and dried fruits are frequently infested by moths. Infested food should be disposed of.
Common moth species in households are pantry moths and clothes moths.
































































