Passalidae (Coleoptera, Scarabaeoidea) from the Caribbean coast of Colombia: synopsis, key, and new species description Author Jimenez-Ferbans, Larry https://orcid.org/0000-0002-5710-2265 Facultad de Ciencias Basicas. Universidad del Magdalena, carrera 32 # 22 - 08, Santa Marta, Zip code 470004, Colombia larryjimenezferbans@gmail.com Author Maestre-Guerra, Ana https://orcid.org/0000-0002-2046-8036 Facultad de Ciencias Basicas. Universidad del Magdalena, carrera 32 # 22 - 08, Santa Marta, Zip code 470004, Colombia Author Villalba-Fuentes, Evelin https://orcid.org/0000-0002-3332-5384 Facultad de Ciencias Basicas. Universidad del Magdalena, carrera 32 # 22 - 08, Santa Marta, Zip code 470004, Colombia Author Barros-Barrios, Mayelis M. https://orcid.org/0000-0002-2634-5408 Facultad de Ciencias Exactas y Naturales. Universidad de Caldas, Calle 65 # 26 - 10, Manizales, Zip code 170004, Colombia Author Munoz-Montero, Jeison https://orcid.org/0009-0003-2563-9388 Facultad de Ciencias Basicas. Universidad del Magdalena, carrera 32 # 22 - 08, Santa Marta, Zip code 470004, Colombia text ZooKeys 2023 2023-09-12 1179 243 297 http://dx.doi.org/10.3897/zookeys.1179.104037 journal article http://dx.doi.org/10.3897/zookeys.1179.104037 1313-2970-1179-243 1C2AC35B27664077BA9B3EB4E8E8452A FD30B3684976524BBEFEED3F9C8679D1 9. Passalus (Pertinax) paucuvillosus Jimenez-Ferbans , Reyes-Castillo & Schuster, 2018 Fig. 12 Diagnosis. 22.9-25.5 mm total length. Body robust. Anterior border of the frons straight, with small and irregular tubercles, without secondary mediofrontal tubercles. Mediofrontal and laterofrontal fused, small, projected forward. Central tubercle small, with apex not free. Lateroposterior tubercles small, slightly distinct. Eyes large. Antennal club tri-lamellate, with lamellae short. Lacinia with apex bidentate. Mediobasal area of mentum protruding and glabrous. Marginal groove widened, occupying 2/3 of the anterior margin of the pronotum. Prosternellum rhomboidal, truncate. Mesosternum glabrous; mesosternal scars absent. Metasternum glabrous anterolaterally and in lateral groove; disc smooth and delimited by punctations posteriorly. Humeri and epipleura glabrous. Anterior ventral border of the profemur with thin groove. Meso- and metatibiae with small spines or unarmed. Figure 12. Passalus (Pertinax) paucuvillosus Jimenez-Ferbans , Reyes-Castillo & Schuster, 2018 A head and pronotum in dorsal view B habitus dorsal C habitus ventral D habitus lateral. Scale bars: 1.0 mm ( A ); 2.0 mm ( B, C, D ). Comments. Described from the Choco department of Colombia ( Jimenez-Ferbans et al. 2018b ), this species seems to be endemic to the Choco-Magdalena province.