Evaluation of a genetically selected strain of Steinernema feltiae against the mushroom sciarid Lycoriella mali

agaricus bisporus biological control champignon comestible chemical control diflubenzuron edible fungi entomophilic nematodes hosts insect nematodes insect pests insecte nuisible insecticidas insecticide insecticides lutte biologique lutte chimique lycoriella mali megaselia halterata mushrooms nematodos de insectos pathogens pennsylvania pennsylvanie pest insects pests of plants phoridae plagas de plantas plant pests ravageur des plantes setas comestibles steinernema feltiae