Description of three new species of frog biting midges (Diptera: Corethrellidae) from the Central Brazilian Amazon Author Almeida, Jessica Feijó FB89280A-A7EF-4006-A1FD-02ECF170E4F6 Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. & Programa de Pós-Graduação em Entomologia. Instituto Nacional de Pesquisas da Amazônia. jessicalmeida1993@gmail.com Author Picelli, Amanda Maria EFE8D11B-F507-451A-90D4-4A516B32FE9E Programa de Pós-Graduação em Zoologia. Universidade Federal do Amazonas. amanda.mpicelli@gmail.com Author Ramires, Adriane Costa 99A476A6-995C-4C6B-A6D2-AB96FA62CCED Universidade Federal do Amazonas, Avenida General Rodrigo Octavio Jordão Ramos, nº 1200, Coroado I, CEP: 69067 - 005 – Manaus, Amazonas, Brazil. adriianeramires@gmail.com Author Belchior, Heliana Christy Matos 300F446C-4166-4770-989B-0DF804314E43 Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. & Programa de Pós-Graduação em Biologia da Interação Patógeno-Hospedeiro. Instituto Leônidas e Maria Deane - Fiocruz Amazônia. heliana.christy@gmail.com Author Marialva, Eric Fabrício 2ECCB20E-AA74-4B24-AC03-E64C3EB96E96 Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. ericmarialva304@gmail.com Author Lima, Hannah Inêz Monteiro Moreira C56C7CF1-9ABF-4AFB-9769-E8DD16002CF2 Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. & Programa de Pós-Graduação em Entomologia. Instituto Nacional de Pesquisas da Amazônia. hannahinez.lima@gmail.com Author Ríos-Velásquez, Claudia María C1E8D52B-73CD-4D9F-B7C1-1D62535CDCAB Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. claudia.rios@fiocruz.br Author Pessoa, Felipe Arley Costa B5C2F560-E0EA-4DEB-8C9B-BBB32D65322C Laboratório de Ecologia e Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia. felipe.pessoa@fiocruz.br text European Journal of Taxonomy 2021 2021-11-23 778 148 166 journal article 3319 10.5852/ejt.2021.778.1577 7d2c1009-228b-4292-857b-c61cfbf7d6f0 2118-9773 5724287 F682E990-9491-4D4D-B867-EFF4EFEC2028 Identification key to female Amazon basin species of Corethrella . The species C. maculata Lane, 1939 , C. shannoni Lane, 1939 and C. munteantaroku Amaral, Mariano & Pinho, 2019 are not included as females of these species have not been described yet. 1. Wing plain or mostly plain ..............................................................................................................2 – Wing with distinct banding............................................................................................................... 9 2. Wing completely plain....................................................................................................................... 3 – Mostly plain, with very light poorly defined midlength band, anterior margin of wing uniformly pigmented .......................................................................................................... C. blanda Dyar, 1928 3. Tergites II–VIII with most of the posterior portion with dark band, tergites I, IX probably uniformly light brown........................................................................................................ C. alticola Lane, 1989 – Abdominal tergites uniformly pigmented.......................................................................................... 4 4. Palpus pale; clypeus with 1 seta .............................................................. C. unisetosa Borkent, 2008 – Palpus darker, clypeus with one or more than one seta ..................................................................... 5 5. Thorax light brown. Scutum light brown with lateral vitta distinctly dark brown ............................. ......................................................................................... C. manaosensis (Lane & Cerqueira, 1958) – Thorax medium to dark brown .......................................................................................................... 6 6. Thorax almost uniformly medium to dark brown but with the scutellum lighter laterally and with a median, longitudinal, dark stripe ....................................................................................................... 7 – Scutellum without a median, longitudinal, dark stripe ...................................................................... 8 7. Antennal flagellomere I–II pale, abdomen light brown, with sternite II darker.................................. ......................................................................................................................... C. tarsata Lane, 1942 – Antenna uniformly brown, abdomen with segments medium brown ....... C. redacta Borkent, 2008 8. Thorax uniformly dark brown contrasting with a pale halter, the midfemur with darker pigmentation at its base, and hind leg femur and tibia uniformly pigmented .................. C. peruviana Lane, 1939 – Thorax uniformly medium brown, the halter as dark as the scutellum, with flagellomeres I–III elongate, foretrochanter pale and contrasting with dark forefemur.......... C. amazonica Lane, 1939 9. Wing with four transverse bands ..................................................................................................... 10 – Wing with three or at least one band ..............................................................................................12 10. Halter dark brown (similar to the scutellum)............... C. quadrivittata Shannon & Del Ponte, 1928 – Halter pale or light brown (lighter than the scutellum) ..................................................................11 11. Abdomen and cercus medium brown ................................................................. C. vittata Lane, 1939 – Abdomen dark brown with, in some, segments VIII, IX slightly darker, cercus dark brown............. ....................................................................................................................... C. edwardsi Lane, 1942 12. Wing with basal and midlength band of dark scales.............................................. C. menini sp. nov. – Wing without basal band but with a discreet or well-developed midlength and dark scales .........13 13. Two large setae on frons between ventromedial area of ommatidia...............................................14 – Up to four large setae on frons between ventromedial area of ommatidia .....................................24 14. Flagellomeres I and II short with flagellomere I nearly globular, flagellomere III elongate............... ..................................................................................................................... C. bicolor Borkent, 2008 – Flagellomeres I–III otherwise.......................................................................................................... 15 15. Thorax dark brown, halter and scutellum equally dark brown ........................................................ 16 – Thorax dark brown, halter pale, much lighter than scutellum ........................................................ 18 16. Midfemur and hind tibia uniformly dark brown........................................... C. travassosi Lane, 1942 – Midfemur dark brown, base of hind tibia pale, similar to the apex of hind femur ......................... 17 17. Flagellomeres IX–XIII each with one sensillum coeloconicum........ C. ranapungens Borkent, 2008 – Flagellomeres IX–XII each with two sensilla coeloconica ..................... C. incompta Borkent, 2008 18. Primarily medium to dark brown palpus ......................................................................................... 19 – Primarily pale or light brown palpus ............................................................................................... 20 19. Clypeus wide, few setae (less than 5) .................................................... C. fuscipalpis Borkent, 2008 – Clypeus elongate, more than 5 to 10 setae .............................. C. puella Shannon & Del Ponte, 1928 20. Flagellomere III without a sensillum coeloconicum........................................................................ 21 – Flagellomere III with a sensillum coeloconicum............................................................................. 23 21. Presence of 2 sensilla coeloconica on flagellomeres X–XII........................ C. ananacola Dyar, 1926 – Absence of 2 sensilla coeloconica on flagellomeres X–XII ............................................................ 22 22. Coronal suture short.............................................................................. C. dicosimoae Borkent, 2008 – Coronal suture elongate ................................................................. C. melanica Lane & Aitken, 1956 23. Coronal suture elongate, extending ventrally past ommatidia............................... C. inca Lane, 1939 – Coronal suture short, extending ventrally about midway along the area between ommatidia ....................................................................................................... C. selvicola Lane, 1939 24. Clypeus squarish, with more than 10 setae........................................................... C. ielemdei sp. nov. – Clypeus wide, with up to four setae................................................................................................. 25 25. Thorax with a group of eight setae.................................................. C . appendiculata Grabham, 1906 – Thorax with a group of five to six setae .......................................................................................... 26 26. Legs without any well-defined pigmentation pattern (hind tibia slightly darker apically and hind femur slightly less pigmented distally ...................... C . yanomami Amaral, Mariano & Pinho, 2019 – Legs with any well-defined pigmentation pattern ........................................................................... 27 27. Antenna with flagellomere I and II dark brown and the others light brown; flagellomere I with four sensilla; scutum and scutellum medium brown; abdomen entirely dark brown.... C. cabocla sp. nov. – Antenna with flagellomere I–IV light brown and V–XIII progressively dark; flagellomere I with 2 sensilla; scutum and scutellum light to medium brown; abdomen light brown to medium with segments VIII and IX darker ......................................................................... C . lepida Borkent, 2008