Ovicidal and larvicidal activity of conidia and blastospores of Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) against Bemisia argentifolii (Homoptera: Aleyrodidae) with a description of a bioassay system allowing prolonged survival of control insects

alimentation auxiliaire de lutte biologique bemisia argentifolii biological control biological control organisms cabbages chou pomme conidia control de insectos enemigos naturales ennemi naturel entomogenous fungi evaluation feeding fungal spores hongos entomopatogenos insect control insecte nuisible lutte biologique microbial pesticides mortalidad mortalite mortality natural enemies ninfas nymphe nymphs ova ovule paecilomyces paecilomyces fumosoroseus pathogens pest insects pesticide microbien plaguicidas microbianos repollo spore fongique test biologique