Kovtunovich, V., P. Ustjuzhanin, M. Marquez, and A. Ustjuzhanina. “Five New Species of the Genus Singularia Arenberger, 1988 (Lepidoptera, Pterophoridae)”. European Journal of Taxonomy, no. 247, Nov. 2016, doi:10.5852/ejt.2016.247.