New Ichneumonidae (Hymenoptera) parasitoids of forest insect pests in Bulgaria G. GeorgievJ. Kolarov OriginalPaper Pages: 57 - 61
Efficacy of aerial application ofBacillus thuringiensis to controlSpodoptera littoralis (Lepidoptera, Noctuidae) infesting soybean cultivations in Egypt H. S. SalamaS. A. Salem OriginalPaper Pages: 62 - 64
Schwärmverhalten und Abundanzdynamik der ErzwespeKarpinskiella pityophthori (Bouček) (Hym., Pteromalidae), eines Parasitoiden des Kupferstechers (Pityogenes chalcographus L., Col., Scolytidae) Gabriela LobingerElfriede Feicht OriginalPaper Pages: 65 - 71
Adaptation of native syrphid flies to new exotic plant (Impatiens spp.)-aphidant associations in Central Europe (Dipt., Syrphidae; Hom., Aphididae; Hym., Formicidae) P. StarýP. Láska OriginalPaper Pages: 72 - 75
Effect of insecticides on the Colorado potato beetles resistant to OP, OC and P insecticides J. IgrcJ. BarčičM. Maceljski OriginalPaper Pages: 76 - 80