Contributions to the knowledge of beetles (Insecta: Coleoptera) in the Kaliningrad region. 2 Author Alekseev, Vitaly I. Author Bukejs, Andris text Baltic Journal of Coleopterology 2011 11 2 209 231 journal article 10.5281/zenodo.13204407 1407-8619 13204407 39. APHTHONA CZWALINAI WEISE , 1888 * Examined material: Recorded once: Bagrationovsk district , 1 km N Mamonovo , 54°49´89´´N 19°93´76´´E, 10.VII.2010 (10 exx, shore of the Kaliningrad Gulf , dry meadow with sandy soil, on Euphorbia sp. , leg. V . Alekseev) . Comments: In the former East Prussia the species has been reported from Baltic seacoast on the territory of the contemporaneous Poland only ( Bercio & Folwaczny 1979 ). According to Döberl (2010) this flea-beetle is distributed in central and eastern Europe ( Austria , Russia (central and south European territories), Czech Republic , Germany , Poland , Romania , Slovakia , Ukraine ), Caucasus, Iran , Siberia, Kazakhstan , Central Asia ( Kyrgyzstan ) and Mongolia . It is introduced also to Canada and USA . The beetles feed on Euphorbia esula ( Bercio & Folwaczny 1979 ) . The locality in the Kaliningrad region is situated at the northern border of distribution range of this species.