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Damzenia groehni gen. et sp. nov., preserved in Baltic amber is described as the first fossil representative of the tribe Gempylodini (Zopheridae: Colydiinae). In addition to the typical general characters of zopherids and colydiines, the newly described beetle possesses the unique tarsal formula 4-5-4 and distinct subcoxal lines on the metaventrite and abdominal ventrite 1. The tarsal formula of the Eocene fossil can be considered an intermediate stage between tenebrionoids with 5-5-4 and tenebrionoids with 4-4-4 tarsal formula. Computer reconstructions of the habitat for the newly described beetle created with the use of the Terragen4 program and the Xfrog software are provided. Vitalii I. Alekseev. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nahimovskiy prospekt 36, 117997. Moscow, Russia. alekseew0802@yahoo.com and Kaliningrad Regional Amber Museum, Marshal Vasilevskii square 1, 236016, Kaliningrad, Russia Pavel I. Alekseev, Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov str. 2, 197376. St. Petersburg, Russia. PAlekseev@binran.ru

palaeontologia electronica

New fossil cylindrical bark beetle (Zopheridae: Colydiinae: Gempylodini) from Eocene Baltic amber: An abnormal or intermediate form within Tenebrionoidea