A successful method to retrieve nematodes from organic material is a mist chamber (Seinhorst). In a mist chamber a very fine mist of warm water (20 degrees) is sprayed from nozzles every half an hour during 15 minutes. The organic material is wet all the time; the nematodes emerge and move through a 150 u sieve and are collected in a collection dish with overflow. The nematodes sediment to the bottom of the dish. This takes some time depending on the toughness of the plant tissue, The method might work for litter too, If suitable send an e-mail for more details.

regards Thomas