Kanecka, P. 1993. Ichneumon flies on larva of false spruce webworm sawfly (Cephalcia abietis (L)) and information on their breedings. Lesnictvi (Prague) 39:297-303.
Kanecka, P. 1993. Ichneumon flies on larva of false spruce webworm sawfly (Cephalcia abietis (L)) and information on their breedings. Lesnictvi (Prague) 39:297-303.