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 Astaena abaca Saylor, 1946 Figs 1A–D , 7A Astaena abaca Saylor, 1946: 223 . Astaena abaca – Frey 1973: 354 (identification key). — Evans 2003: 19 (checklist). — Evans & Smith 2005: 4 (checklist); 2007: 4 (checklist); 2009: 4 (checklist). Type material examined Holotype COLOMBIA • ♀ ; “Paine viii Colum. / Apolinar-Maria / L.W. Saylor Collection / California Academy of Sciences Type nº 7904 / Holotype Astaena abaca L.W. Saylor ”; CAS . Holotype redescription MEASUREMENTS. Length: 12 mm . Width: 5.8 mm . HEAD. Reddish-brown, surface with simple setae. Labroclypeus convex, shape of anterior margin convex, posteriorly with sparse punctation. Ratio ocular canthus (measured just the process on the eye)/eye (measured along longitudinal axis): 1/4. Antennae with eight antennomeres; antennal club with three antennomeres; ratio antennal club/remaining antennomeres: 1/1.5; ratio third vs fourth antennomere: 1/2; fourth antennomere, lateral projection absent; ratio fifth vs fourth antennomere: 1/5. PRONOTUM AND ELYTRA. Surface of pronotum and elytra with setae. Pronotum unicolored, reddishbrown, widest at middle, anterior marginal line present, lateral margin strongly convex and smooth (not serrated), antero-lateral angle dorso-ventrally flattened, postero-lateral angle dorso-ventrally not flattened, punctation on disc sparse, median longitudinal excavation absent. Scutellum, punctures absent medially. Elytra unicolored, reddish-brown, surface tegument opaque, microsculpture absent, punctation on intervals present, strial and interval punctation equal in size. ABDOMEN. Lateral carina present. Second visible ventrite with row of setae in medial region. Apical visible ventrite without suture to apical tergite. LEGS. Metacoxa without longer lateral bristles, setae on basal surface present, a laterally extended longitudinal shelf present. Metatibia, widest at apex, dorsal margin carinate, ventral margin smooth (not serrated), distal spines groups disposed at two thirds of metatibial length. First metatarsomere, ratio to dorsal metatibial spur: 1/2. Dorsal surface of tarsi glabrous. Metatarsi, length of first protarsomere subequal to second and third combined, ventral margin serrated and setose. Protibia with three teeth. Protarsi, second protarsomere narrow, claws symmetrical, inner protarsal claw bifid, apex of basal tooth of inner protarsal claw acute. Male Unknown.