There are many different types of nematodes, some beneficial and some less so! The nematodes used for insect pest control are called entomopathogenic nematodes , this group of nematodes are harmless to humans and wildlife and provide effective biological control for several plant damaging insect pests.
The success of nematode applications is influenced by the following factors:
Applying nematodes at the correct time of year
Ensuring soil or compost temperature is high enough for nematode activity
Creating the right environment for the nematodes i.e. moist compost/ soil
Nematode products should be fridge stored on receipt before application