FORAGING BEHAVIOR AND RESOURCE UTILIZATION OF THE APHID PARASITOID, PAUESIA-PINI (HYMENOPTERA, APHIDIIDAE) ON SPRUCE - INFLUENCE OF HOST SPECIES AND ANT ATTENDANCE
W. Volki et H. Novak, FORAGING BEHAVIOR AND RESOURCE UTILIZATION OF THE APHID PARASITOID, PAUESIA-PINI (HYMENOPTERA, APHIDIIDAE) ON SPRUCE - INFLUENCE OF HOST SPECIES AND ANT ATTENDANCE, European journal of entomology, 94(2), 1997, pp. 211-220