FAQ Nematodes
can overwinter.
However, this is never to the extent that enough nematodes are available in spring to be able to have a
sufficiently controlling effect [...] also be used against several foliar pests (f.e. caterpillars, thrips). Their efficacy will be strictly
connected to survival time on the leaves. To ensure [...] cause harm to plants. However, entomopathogenic nematodes are 100%
safe for plants, animals and humans. This is because only insects can be host to this group