D.  Doychev, Kechev, M., Todorov, I., Mirchev, P., Bencheva, S., and Georgiev, G., ?New Entomophagous Enemies of Ips typographus (Linnaeus, 1758) (Coleoptera: Curculionidae) from Bulgaria?, ACTA ZOOLOGICA BULGARICA, vol. 68, no. 1, pp. 131-134, 2016.