R. Leinonen, N. Kutenkova, M. Ahola, J. Itämies, and V. Vikberg, “The ecology, genitalia and larval morphology of <i>Polythrena coloraria</i> Herrich-Schäffer, 1855 (Lepidoptera: Geometridae), with records of its egg parasitoid <i>Telenomus acarnas</i> Kozlov & Kononova, 1977 (Hymenoptera: Scelionidae)”, Entomol. Fennica, vol. 17, no. 1, pp. 56–64, Jan. 2006.