A new fossil Eurypinae genus and sexual dimorphism in the representatives of Omineus (Coleoptera: Mycteridae) from Tertiary amber of Europe Author Alekseev, Vitalii Igorevich 0000-0003-4390-5443 Shirshov Institute of Oceanology, Russian Academy of Sciences, Nahimovskiy prospekt 36, 117997 Moscow, Russia. alekseew 0802 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 4390 - 5443 & Kaliningrad Regional Amber Museum, Marshal Vasilevskii square 1, Kaliningrad 236016, Russia. alekseew0802@yahoo.com Author Bukejs, Andris Institute of Life Sciences and Technologies, Daugavpils University, Vienîbas 13, Daugavpils LV- 5401, Latvia. Author Pollock, Darren Andrew Department of Biology, Eastern New Mexico University, Portales, NM 88130 USA. text Zootaxa 2020 2020-07-29 4820 3 551 562 journal article 8966 10.11646/zootaxa.4820.3.8 f702f2bf-e817-4863-96f7-f20015f61de3 1175-5326 4398204 B8AAC629-F431-49E2-B15C-80CCC0CE070C Key to adults of Eocene amber Eurypinae 1. Head with fine ocular grooves; pronotum with pair of oblique symmetrical depressions. 3.6 mm . Baltic amber....................................................................................... Glesoconomorphus nachzehrer - Head without ocular grooves............................................................................ 2 2. Head with two straight, subparallel frontal furrows; fronto-clypeal suture distinct; body length 10.2 mm . Baltic amber......................................................................... Europoeurypus inglaeso gen. et sp. nov. - Head without frontal furrows; body length less than 5 mm ..................................................... 3 3. Head punctate; pronotal base with paramedian depressions; body length 2.8–3.5 mm . Baltic amber...... Omineus febribilis - Head microtuberculated; pronotum evenly convex;body length 4.8 mm . Oise amber.................. Bertinotus gallicus