Four new species of Clinotanypus Kieffer, 1913 (Diptera: Chironomidae: Tanypodinae) from Neotropical region Author Oliveira, Caroline Silva Neubern de Laboratório de Entomologia Aquática, Departamento de Hidrobiologia, Universidade Federal de São Carlos, C. P. 676, 13565 - 905, São Carlos, SP, Brazil; Author Silva, Fabio Laurindo da Laboratório de Entomologia Aquática, Departamento de Hidrobiologia, Universidade Federal de São Carlos, C. P. 676, 13565 - 905, São Carlos, SP, Brazil; & Section of Natural History, Museum of Natural History and Archaeology, Norwegian University of Science and Technology, Trondheim, Norway Author Trivinho-Strixino, Susana Laboratório de Entomologia Aquática, Departamento de Hidrobiologia, Universidade Federal de São Carlos, C. P. 676, 13565 - 905, São Carlos, SP, Brazil; text Journal of Natural History 2013 J. Nat. Hist. 2013-12-16 48 5 - 6 317 343 http://dx.doi.org/10.1080/00222933.2013.825019 journal article 10.1080/00222933.2013.825019 1464-5262 5199267 Clinotanypus Kieffer, 1913: 157 Type species. Procladius fuscosignatus Kieffer (1910) Emended diagnosis Based on specimens from southeastern Brazil , the generic description of Clinotanypus to pupa ( Fittkau & Murray 1986 ) must be emended to include the following characters: thoracic horn with basal lobe present or absent. Key to the Neotropical males of Clinotanypus 1. Anal point trilobed.............................................. C. sallesi Anal point simple or bilobed............................................. 2 2. Anal point bilobed, Ti 3 with an apical brown band only................... 3 Anal point simple, Ti 3 with an apical brown band only or with an apical and a proximal brown band.................................................. 4 3. Thorax with three dorsal brown bands................... C. striatus sp. nov. Thorax evenly brown.................................... C. caritus sp. nov. 4. Gonostylus with two setae, Ti 3 with an apical brown band only.......................................................................... C. brasiliensis Gonostylus with at least five setae, Ti 3 with an apical and a proximal brown band.................................................................... 5 5. TIX with 14 setae; gonostylus with five setae............. C. gymnos sp. nov. TIX with 58 setae; gonostylus with nine setae............. C. setosus sp. nov. (Note: The two species C. brasiliensis Oliveira and C. sallesi Oliveira have not been re-examined.) Key to the Neotropical pupae of Clinotanypus 1. Shagreenation at the base of scar present................................. 2 Shagreenation at the base of scar absent.................................. 3 2. Segment VII with five taeniae............................ C. setosus sp. nov. Segment VII with six taeniae............................ C. striatus sp. nov. 3. Anal lobe 687 µm length................................ C. gymnos sp. nov. Anal lobe 831 µm length................................. C. caritus sp. nov. Key to the Neotropical larvae of Clinotanypus 1. Mandible with row of setae at the lateral outer margin..................... 2 Mandible without row of setae at the lateral outer margin. C. gymnos sp. nov. 2. Mandible elongated; palp segment 123–132 µm long...................... 3 Mandible broad; palp segment 114 µm long.............. C. caritus sp. nov. 3. Procercus 206–215 µm long............................. C. striatus sp. nov. Procercus 235 µm long.................................. C. setosus sp. nov.