Bukejs, A. “A New Record of Phyllotreta Astrachanica Lopatin, 1977 (Coleoptera: Chrysomelidae) from Latvia: A Flea Beetle New to the Eastern Baltic Region”. Journal of the Entomological Research Society, vol. 13, no. 1, Mar. 2011, p. 103, https://www.entomol.org/journal/index.php/JERS/article/view/301.