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Redalyc.A New Species of Centruroides (Scorpiones: Buthidae) from the Northern Mountain Range of Oaxaca, Mexico

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Redalyc.A New Species of Centruroides (Scorpiones: Buthidae) from the Northern Mountain Range of Oaxaca, Mexico Revista Mexicana de Biodiversidad ISSN: 1870-3453 [email protected] Universidad Nacional Autónoma de México México Santibáñez-López, Carlos E.; Ponce-Saavedra, Javier A new species of Centruroides (Scorpiones: Buthidae) from the northern mountain range of Oaxaca, Mexico Revista Mexicana de Biodiversidad, vol. 80, núm. 2, agosto, 2009, pp. 321-331 Universidad Nacional Autónoma de México Distrito Federal, México Available in: http://www.redalyc.org/articulo.oa?id=42513224007 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Revista Mexicana de Biodiversidad 80: 321- 331, 2009 A new species of Centruroides (Scorpiones: Buthidae) from the northern mountain range of Oaxaca, Mexico Una especie nueva de Centruroides (Scorpiones: Buthidae) de la sierra norte de Oaxaca, México Carlos E. Santibáñez-López1* and Javier Ponce-Saavedra2 1Colección Nacional de Arácnidos, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Apartado postal 70-153, 04510 México D.F., México. 2Laboratorio de Entomología “Biól. Sócrates Cisneros Paz”, Facultad de Biología, Universidad Michoacana de San Nicolás de Hidalgo, Edifi cio B-4 2º Piso, Ciudad Universitaria, 58060 Morelia, Michoacán, México. *Correspondencia: [email protected] Abstract. Centruroides serrano sp. nov. from the Sierra Juárez of Oaxaca (Villa Alta District) is described. This is the eleventh species of the genus reported from Oaxaca and the fi rst one reported from this area. It occurs from 500 m to 1 500 m. It is compared to C. baergi Hoffmann, 1932, C. nigrovariatus Pocock, 1898 and C. hoffmanni Armas, 1996 due to its overall similarity. To separate these 4 species, a principal component analysis was conducted. A list of the species of this genus from Oaxaca is provided. Key words: scorpions, diversity, principal components analysis, multiple correlation analysis, one way analysis of variance. Resumen. Se describe Centruroides serrano sp. nov. de la sierra Juárez de Oaxaca (distrito de Villa Alta). Es la onceava especie del género reportada para Oaxaca y la primera reportada para el área. Se distribuye en elevaciones desde los 500 a los 1 500 m. Se compara con C. baergi Hoffmann, 1932, C. nigrovariatus Pocock, 1898 y C. hoffmanni Armas, 1996 por su parecido morfológico. Para separar estas 4 especies, se llevó a cabo un análisis de componentes principales. Finalmente, se incluye una lista de las especies del género presentes en Oaxaca. Palabras clave: alacranes, diversidad, análisis de componentes principales, correlación múltiple, análisis de varianza de una vía. Introduction of the state for conservation. It has been poorly studied from the point of view of its arthropods, although it has Mexico harbors one of the world’s largest been considered an important area for conservation due scorpiofaunas, with more than 200 species and subspecies to its high plant endemism (Lorence y García-Mendoza, in 7 families and 24 genera (Fet et al., 2000; Lourenço 1989). There are no published records of any species of and Sissom, 2000; Sissom and Hendrixson, 2006). The Centruroides for this area. Currently the scorpiofauna of family Buthidae is represented in the country by 2 genera: the area is being studied as part of the master’s degree Tityopsis Armas, 1974, with 1 species in the Isthmus of research of the senior author. In the present contribution, a Tehuantepec (T. aliciae Armas and Martín-Frías, 1998); new species of Centruroides is described from the District and Centruroides Marx, 1890, with 30 species distributed of Villa Alta. throughout the country (Lourenço and Sissom, 2000; Centruroides is one of the best studied scorpion genera Ponce and Barajas, 2005; Armas et al., 2003). in the country due to the high toxicity of some species, García-Mendoza et al. (2004) consider the state of but still remains poorly sampled (Ponce-Saavedra and Oaxaca as one of the most biodiverse in México. The Francke, 2004) and the status of several species is unclear. Sierra Juárez (from now on referred to as the “Northern It was divided into 3 major groups by Hoffmann (1932), mountain range”) is one of the most important regions modifi ed into 4 major groups by González-Santillán (2001) and subsequently accepted by Ponce and Barajas (2005): Recibido: 16 mayo 2008; aceptado: 02 octubre 2008 a) C. gracilis species group: species with 9 denticle rows 322 Santibáñez-López and Ponce-Saavedra.- Centruroides from Oaxaca on the fi ngers of the pedipalp chelae (see Capes, 2002); Hoffmann, 1938, see Armas and Martín-Frías, 1998) and b) C. thorelli species group: small species with variegated there have been some records of C. limpidus Karsch, 1879 fuscous patterns not consisting of 2 longitudinal rows along the boundaries of the state with Guerrero and Puebla, dorsally along the opisthosoma; c) C. bertholdii species there are no other records of medically important species group: species with 8 denticle rows on the fi ngers of the in Oaxaca. Thus, additional collections are necessary. pedipalp chelae (this group is not well characterized and The taxonomy of the “striped” group in the genus is a better delimitation is required); and d) the striped ones: complicated because it is largely based on morphometric all the species with 8 denticle rows in the fi ngers of the characters and coloration patterns, which are characters pedipalp chela and with 2 dark longitudinal bands along that show high intraspecifi c variation; according to Ponce the mesosoma with 1 yellow band between them. The (2003) this often leads to misidentifi cation. Ponce et al. “striped” group is divided into 2 subgroups: the C. elegans- (1999) and Ponce and Barajas (2005) indicate that the limpidus subgroup (species with longitudinal bands along morphometric variables can be tested in a multivariate the carapace; 2 longitudinal bands along the mesosoma analysis and then it is possible to select the variables with spots on the pretergite and the postergite) and the with the lowest intraspecifi c variability and the highest C. infamatus-nigrovariatus (C. suffusus-infamatus sensu interspecifi c variability for a numerical taxonomy Ponce and Barajas, 2005) subgroup with variegated fuscous approach to this complex problem. These multivariate pattern in the carapace and without the longitudinal bands techniques have been used to separate sympatric species of along it, and 2 longitudinal bands along the mesosoma the genus Euscorpius Thorell, 1876 (Euscorpidae) in Italy with a well defi ned spot on the pretergites and another on (Vignoli et al., 2005), species of the genus Centruroides the median portion of the postergites united by a diffused in Michoacán, México (Ponce and Francke, 2004), and to pigmentation. show intraspecifi c and interspecifi c variability within the Oaxaca is the state with the highest number of species genus Mesobuthus Vachon, 1950 (Buthidae) in Turkey of Centruroides in the country, with 10 described species (Karatas, 2007). A multivariate analysis was conducted (Table 1) (Beutelspacher, 2000; Fet et al., 2000; Armas et to strengthen the separation of the new species from al., 2003; Santibáñez-López et al., 2007). Although Fet et the northern mountain range of Oaxaca from its close al. (2000) reported C. elegans Thorell, 1876 on the coast relatives. of Oaxaca (a misidentifi cation; it corresponds to C. meisei Table 1. Annoted list of the species of Centruroides Marx, 1890 from Oaxaca, Mexico (modifi ed from Beutelspacher, 2000; Fet et al., 2000; Lourenço and Sissom, 2000; González-Santillán, 2001; Armas et al., 2003; Santibáñez-López et al., 2007) Species Distribution C. baergi Hoffmann, 1932 Valley of Cuicatlan, Oaxaca C. fl avopictus fl avopictus (Pocock, 1898) Southern Oaxaca (Santa María Chimalapas, Matías Romeo) C. fulvipes (Pocock, 1898) Coast of Oaxaca (Pinotepa Nacional, Puerto Escondido, San Juan Cacahuatepec, Bahías de Huatulco) C. gracilis (Latreille, 1804) Papaloapam basin (Tuxtepec, San Miguel Quetzaltenango Mixes, Santiago Choapam) C. hoffmanni Armas, 1996 Isthmus of Tehuantepec (Santo Domingo Tehuantepec, Ciudad Ixtepeji, Salina Cruz) C. limpidus (Karsch, 1879) Mixteca region (Huajuapam de León, Silacayoapan, Mariscal de Juárez, San Miguel Amatitlan, San Agustín Atenango, Santiago Chazumba) C. meisei Hoffmann, 1932 Coast of Oaxaca (Pinotepa Nacional) C. nigrescens (Pocock, 1898) Southern mountain range (Magdalena Mixtepec) C. nigrimanus (Pocock, 1898) Wide range (Santa Cruz Xoxocotlán, Salina Cruz, Pochutla, Tehuantepec, San Juan Juquila Mixes, San Pedro Juchatengo) C. nigrovariatus (Pocock, 1898) Central valley of Oaxaca (Oaxaca city, Monte Albán, San Pablo Etla); Northern mountain range at the Ixtlán de Juárez district (La Cumbre Ixtepeji, Ixtlán de Juárez, Santa Catarina Ixtepeji) C. serrano sp. nov. Northern mountain range at the Villa Alta district (San Francisco Cajonos, San Melchor Betaza, San Andrés Yaa, San Juan Tabaa, San Andrés Zoolaga, Villa Alta) Revista Mexicana de Biodiversidad 80: 321- 331, 2009 323 Material and methods metasoma length / carapace length, carapace length / metasomal segment V length, carapace length / movable Fieldwork. A trip to the District of Villa Alta, in the fi nger length, patella length / width, vesicle length / width, northern mountain range in Oaxaca, Mexico in June-July vesicle length / aculeus length, fi xed fi nger length
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