Fossil Melandryidae (Coleoptera: Tenebrionoidea) from Eocene Baltic amber of the Sambian peninsula: new genus, six new species, new records and key to described taxa 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 0000-0001-7165-3023 Institute of Life Sciences and Technologies, Daugavpils University, Vienîbas 13, Daugavpils LV- 5401, Latvia. carabidae @ inbox. lv; https: // orcid. org / 0000 - 0001 - 7165 - 3023 carabidae@inbox.lv text Zootaxa 2021 2021-04-27 4965 1 142 166 journal article 7045 10.11646/zootaxa.4965.1.7 0d69081f-0cf4-4be6-92a6-5a785e5ee98e 1175-5326 4723237 1F5BE28F-C8B5-47FF-8A3F-68B5BC40BD6F Abdera rikojotensis Alekseev, 2014 Material examined. One specimen with collection number 4419/207 [ KRAM ]; Baltic amber, adult, female, complete specimen with protruding ovipositor ( 1.5 mm long) and partially exposed metathoracic wings. Body length of the specimen is 3.1 mm . The beetle inclusion is preserved in a medium-sized, yellow, partially polished and partially covered by surface cracks piece of transparent amber with dimensions of 16×12× 5 mm without supplementary fixation. Syninclusions are absent. One specimen with collection number MMO 1 7657/946 [ MWO ]; Baltic amber, adult, sex unknown, complete specimen. Body length of the specimen is 3.8 mm . The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 15×10× 5 mm without supplementary fixation. Syninclusions are represented by few stellate fagacean trichomes. One specimen with collection number MMO 1 7657/1250 [ MWO ]; Baltic amber, adult, male, complete specimen with partially exposed metathoracic wings and genitalia. Body length of the specimen is 4.2 mm . The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 50×21× 6 mm without supplementary fixation. Syninclusions are represented by few small detrital particles.