Possibilities for biological control of the western corn rootworm, Diabrotica virgifera virgifera LeConte, in Central Europe

atrayentes attractants attractif biological control control de insectos diabrotica diabrotica virgifera enemigos naturales ennemi naturel europa europe feromonas insect control insecte nuisible integrated pest management lutte biologique monitoring natural enemies nematoda north america pathogens pest insects pests of plants pheromones plagas de plantas ravageur des plantes vigilancia