Nupponen, K., & Ahola, M. (2001). Notes on the biology of <i>Pterophorus volgensis</i> (Möschler, 1862) with description of the larval stage (Lepidoptera, Pterophoridae). Entomologica Fennica, 12(1), 22–27. https://doi.org/10.33338/ef.84090