Lozovoi, D. I. 1966. Hozjajstvenno vaznye vidy koroedov hvojnyh (elovyh) nasazdenij Gruzii i mery bor'by nomi [Economically important species of barkbeetles in the conifer (spruce) stands of Soviet Georgia, and their control]. Izdatel'stvo Mecniereba, Tbilisi. 90 p.