Kovtunovich, Vasiliy, Peter Ustjuzhanin, Mildred Marquez, and Anna Ustjuzhanina. 2016. “Five New Species of the Genus Singularia Arenberger, 1988 (Lepidoptera, Pterophoridae)”. European Journal of Taxonomy, no. 247 (November). https://doi.org/10.5852/ejt.2016.247.