FAQ Nematodes
Infected larvae will change color because of the growth of the bacteria and nematodes. In case of
Heterorhabditis pink-reddish and Steinernema yellow-brownish [...] longer be found. In practice, the decrease of pest pressure is
the only indication that the application has been effective.
How long do the nematodes work [...] What is the substance the nematodes are packed in?
In order for the nematodes to survive during transport and storage they need to be packed in a carrier