Revision of type specimens of Astaena (Coleoptera: Scarabaeidae: Melolonthinae: Sericini) described by L. W. Saylor Author Pacheco, Thaynara L. 146CF81B-1394-456C-A768-BFFDE3E213D0 Laboratório de Coleoptera, Departamento de Entomologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. & Centre of Taxonomy and Evolutionary Research, Zoologisches Forschungsmuseum Alexander Koenig, Bonn, Germany. thay.lpacheco@gmail.com Author Monné, Marcela L. 86B186B4-4297-4380-A98D-FC813B5D53A6&2FF2B7D6-1A6B-43C1-9966-A1A949FB2B05 Laboratório de Coleoptera, Departamento de Entomologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. & Laboratório de Scarabaeoidologia, Departamento de Biologia e Zoologia, Instituto de Biociências, Universidade Federal de Mato Grosso, Cuiabá, Brazil. mlmonne2@gmail.com&vazdemello@gmail.com Author Vaz-De, Fernando Z. 2FF2B7D6-1A6B-43C1-9966-A1A949FB2B05 Laboratório de Scarabaeoidologia, Departamento de Biologia e Zoologia, Instituto de Biociências, Universidade Federal de Mato Grosso, Cuiabá, Brazil. vazdemello@gmail.com Author Ahrens, Dirk DEDCE5CF-AA11-4BBF-A2C6-D7C815019714 Centre of Taxonomy and Evolutionary Research, Zoologisches Forschungsmuseum Alexander Koenig, Bonn, Germany. ahrens.dirk_col@gmx.de text European Journal of Taxonomy 2021 2021-05-19 750 750 94 123 http://dx.doi.org/10.5852/ejt.2021.750.1365 journal article 4031 10.5852/ejt.2021.750.1365 818d0bc4-31a6-4319-86a3-6e6b16ab72df 2118-9773 5451747 CE5D8517-AC04-4AF9-BD78-A2D6E21D33A8 Sayloria Frey, 1973 Sayloria Frey, 1973 (nec Chalumeau, 1981 ): 324 (as subgenus of Symmela ). Sayloria (as subgenus of Symmela Frey, 1973 ) – Evans 2003: 47 (checklist). — Evans & Smith 2005: 29 (checklist); 2007: 29 (checklist); 2009: 30 (checklist). Type species Astaena bicoloripes Saylor, 1946 (by monotypy). Diagnosis Brown, reddish-brown, blackish coloration, often bicolored. Antennae with eight antennomeres; antennal club of males with three antennomeres. Abdomen without a robust lateral carina. Mentum deeply sinuated medially at anterior margin.