Zootaxa 3941 (2): 239–246 www.mapress.com /zootaxa / Copyright © 2015 Magnolia Press Article ISSN 1175-5326 (print edition) ZOOTAXA ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3941.2.4 http://zoobank.org/urn:lsid:zoobank.org:pub:0123416D-609D-40E6-9E1B-AA9A974DC74A A new species of Cogia from Oaxaca, Mexico (Lepidoptera: Hesperiidae: Eudaminae) ANDREW D. WARREN1,4, DIEGO R. DOLIBAINA2 & CLAUDIA HERNÁNDEZ-MEJÍA3 1 McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, SW 34th Street and Hull Road, P. O. Box 112710, Gainesville, Florida 32611-2710 U.S.A. 2 Laboratório de Estudos de Lepidoptera Neotropical, Departamento de Zoologia, Universidade Federal do Paraná, Caixa Postal 19020, 81531-980, Curitiba, Paraná, Brasil. E-mail: firstname.lastname@example.org 3 Museo de Zoología (Entomología), Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apdo. Postal 70–399, México, D.F. 04510, México. E-mail: email@example.com 4 Corresponding author. E-mail: firstname.lastname@example.org Abstract A new species of Cogia A. Butler, 1870, is described from two localities ranging from 1470 to 2000 m elevation in the Sierra Madre del Sur of Oaxaca, Mexico; it occurs in cloud forest habitats and appears to be endemic to Mexico. Cogia buena, n. sp., is closely related to C. mala Evans, 1953 and C. aventinus (Godman & Salvin, 1894); these three species are the only known Cogia taxa whose males lack a hair tuft on the dorsal hindwing, and all have similar genitalia. Key words: aventinus, cloud forest, endemic, Guatemala, mala Resumen Se describe una especie nueva del género Cogia A. Butler, 1870, proveniente de dos localidades ubicadas entre los 1470 y 2000 m de la Sierra Madre del Sur, Oaxaca, México. Habita en bosque mesófilo de Montaña y parece endémica de México. Cogia buena n. sp., está cercanamente relacionada con C. mala Evans, 1953 y ambas con C. aventinus (Godman & Salvin, 1894); las tres son las únicas especies dentro del género en que los machos carecen de un “mechón” de escamas en las alas posteriores y todas comparten similitud en estructuras genitales. Palabras clave: aventinus, bosque mesófilo, endémica, Guatemala, mala Introduction The genus Cogia A. Butler, 1870 includes fifteen mainly neotropical species, although a few species extend into the southwestern United States. Habitats typically include lowland seasonally dry forests, but some species are found in tropical rainforest, others occur in coniferous or deciduous forests, and several others extend into chaparral and desert habitats. A few species fly in cloud forests in Mexico and Central America, including Cogia mala Evans, 1953, and a related new species from southern Mexico, named and described below. Cogia mala was described from two male specimens from Guatemala in The Natural History Museum, London, England. While not detailed in the original description (Evans 1953: 24), the holotype male (Fig. 3–4) is labelled from Amatitlán (Dept. Guatemala), Guatemala, collected in “July-Aug. 1904” by A. Hall. The paratype male is labelled with the same date and collector, but from Antigua (Dept. Sacatepéquez), Guatemala. A third male specimen of C. mala in the Museum für Naturkunde, Berlin, Germany, had been identified as Carrhenes fuscescens (Mabille, 1891), and is labelled from “Guatemala,” with no further details. As with other original descriptions by Evans, that of C. mala included just a brief review of wing markings and a small, rather crude sketch of the male genitalia; the types were not illustrated, and no etymology was provided. We assume that the name C. mala is Accepted by C. Prieto: 4 Mar. 2015; published: 31 Mar. 2015 239 three species are generally similar. The overall size and wing shape of C. buena is closest to C. mala. The details of wing markings on C. buena are similar to both species, perhaps slightly closer to C. aventinus. Despite this, due to the whitish areas on the dorsal hindwing of C. buena, it is not likely to be readily confused with any of its close relatives. With the description of C. buena from Mexico, C. mala is thus known with certainty only from Guatemala (Fig. 12). The only C. mala specimens we have seen, other than the three in European collections (detailed above), are 10 males and 1 female in the MGCL from Guatemala, all collected by Dan Lindsley; all but one are from Antigua, in Dept. Sacatepéquez, from 30-VIII-1993 (1 female, Fig. 11), 1-IX-1993 (6 males), 7-IX-1993 (1 male), 9-IX-1993 (1 male), and 15-IX-1993 (1 male) (Fig. 12). The remaining male is labelled from Tikal, Dept. Petén, collected 11-IX-1993 (Fig. 10, 12). There is one additional male from “Guatemala” in the OM collection. While we have yet to examine a female of C. buena, we’ve included images of the only female we’ve seen of C. mala (Fig. 7–8), including genitalia (Fig. 11), for future comparative purposes. While all known, valid records for C. mala are from Guatemala, its presence in Tikal, if correctly labeled, suggests that C. mala may eventually be found in nearby parts of Mexico (Chiapas) or Belize. Steinhauser (1975: 33) believed there to be a “slight chance” that C. mala would be found to occur in El Salvador. Acknowledgments We thank everyone who assisted with this project, including Jorge Llorente-Bousquets, Armando Luis-Martínez, and Isabel Vargas-Fernández for providing access to the MZFC collection, John Burns and Robert Robbins for providing access to the USNM collection, and Nick Grishin for sharing images and information from the BMNH. Special thanks to John Kemner for originally discovering Cogia buena, and for amassing the first known series of specimens; this is yet another of the fruits of his persistent searches for undescribed Hesperiidae in Mexico. Thanks also to Marysol Trujano-Ortega and Omar Ávalos for assistance with collecting C. buena in Oaxaca, and to Dan Lindsley for collecting the series of C. mala in Guatemala and donating them to the MGCL. DRD thanks the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for a research fellowship. CHM thanks the Consejo Nacional de Ciencia y Tecnología (CONACyT) for support (205110/202736). Finally, we thank the late Hugh Avery Freeman for bringing Cogia buena to our attention, as well as for specimens, information, and discussions, and two anonymous reviewers for valuable suggestions that improved this paper. 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