Kobakhidze, D. N., K. V. Kharazishvili, M. S. Tvaradze, and I. Kraveishvili. 1973b. On the natural enemies of the European spruce beetle, Dendroctonus micans Kugel. (Coleoptera, Scolytidae), in Georgia. Entomological Review [English Translation of Entomologicheskoe Obozrenie] 52:31-32.