Q & A

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I’ve read a long list of things Trichogramma wasps are effective against and a few army worms were listed but I didn’t see the yellow striped one there. It’s possible they are effective but weren’t on the list. Does anyone know?

Also, since you need to put the wasps out every 3 weeks or so do you have to order them every three weeks or can you order a bunch at once and save them for a few months to release a few at a time?