Predation on Douglas-fir tussock moth (Lepidoptera: Lymantriidae) and white fir sawfly (Hymenoptera: Diprionidae) larvae by captive spiders from white fir in California.

araneae biological control bosques california californie depredadores enemigos naturales ennemi naturel forests insecte nuisible larvae larvas larve lutte biologique natural enemies neodiprion orgyia pseudotsugata pest insects pests of plants plagas de plantas predators ravageur des plantes