1. Diversity, biology and evolutionary relationships -- 2. Improvement of entomopathogenic nematodes: a genetic approach -- 3. Behaviour and population dynamics of entomopathogenic nematodes following Application -- 4. Entomopathogenic nematode in the soil environment -- 5. Trophic relationships of entomopathogenic nematodes in agricultural habitats -- 6. Utilizing persistent entomopathogenic n…