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New Records of Liotyphlops Beui (Amaral, 1924) (Serpentes: Anomalepididae) and an Updated Distribution Map

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New Records of Liotyphlops Beui (Amaral, 1924) (Serpentes: Anomalepididae) and an Updated Distribution Map BOL. MUS. BIOL. MELLO LEITÃO (N. SÉR.) 37(3):241-253. JULHO-SETEMBRO DE 2015 241 New records of Liotyphlops beui (Amaral, 1924) (Serpentes: Anomalepididae) and an updated distribution map Henrique C. Costa1,*, Fidélis Júnio Marra Santos2 & Daniel Loebmann3 ABSTRACT: Data on species distribution is basic information for many research fields, including assessment of conservation status. Usually, this issue is non-available or it is incomplete for fossorial species. Herein, we provide an updated map of distribution and new records of occurrence of the blind snake Liotyphlops beui. Although it is one of the most widely distributed Neotropical anomalepidids, we identify relevant gaps on species records of occurrence as well as dubious information about its most Austral distribution. A dataset with all recognized records which may be useful for other studies like distribution modeling is also provided. Key words: Blind snakes; gaps of distribution; Scolecophidia. RESUMO: Novo registro de Liotyphlops beui (Amaral, 1924) (Serpentes: Anomalepididae) e uma atualização do mapa de distribuição. Dados sobre distribuição de espécies constituem uma informação básica para muitas linhas de pesquisa, incluindo a avaliação de estado de conservação. Geralmente, esses dados não estão disponíveis ou são incompletos para espécies fossoriais. Nós apresentamos um mapa de distribuição atualizado e novos registros de ocorrência da cobra-cega Liotyphlops beui. Embora seja uma das espécies de anomalepidídeos mais amplamente distribuída, identificamos importantes lacunas nos registros dessa espécie, assim como informações dúbias sobre sua distribuição austral. Uma base de dados com todos os registros identificados, a 1 Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Zoologia, Laboratório de Herpetologia. Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brasil. 2 Pontifícia Universidade Católica do Rio Grande do Sul, Museu de Ciências e Tecnologia, Laboratório de Sistemática de Vertebrados, Setor de Herpetologia. Avenida Ipiranga, 6681, Partenon, 90619-900, Porto Alegre, RS, Brasil. 3 Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Laboratório de Vertebrados. Avenida Itália, km 8, Vila Carreiros, 96203-900, Rio Grande, RS, Brasil. * Corresponding author. [email protected] Recebido: 3 jun 2014 – Aceito: 3 fev 2015 242 COSTA ET AL.: GEOGRAPHIC DISTRIBUTION OF LIOTYPHLOPS BEUI qual pode ser útil para outros estudos como modelagem de distribuição também é apresentada. Palavras-chave: Cobras-cegas; lacunas de distribuição; Scolecophidia. Anomalepididae Taylor, 1939 comprises four genera of blind snakes: Anomalepis Jan, 1860, Helminthophis Peters, 1860, Liotyphlops Peters, 1881, and Typhlophis Fitzinger, 1843 (McDiarmid et al., 1999). Liotyphlops is the richest genus, with 10 species current recognized, distributed from Costa Rica to Argentina (Dixon & Kofron, 1983; Haad et al., 2008; Centeno et al., 2010). In his Catalogue of the Snakes from the British Museum, Boulenger (1893) synonymized Liotyphlops with Helminthophis. Thirty years later, Amaral (1924) described Helminthophis beui, based on specimens from Butantan, São Paulo, Brazil, and the same author further synonymized H. beui with Helminthophis ternetzii Boulenger, 1896 (Amaral, 1929). Dunn (1932), removed Liotyphlops from the synonymy of Helminthophis, and only after the study by Dixon & Kofron (1983) L. beui was resurrected. Liotyphlops beui is diagnosed by having: three scales contacting posterior edge of prefrontal; two scales contacting posterior edge of nasal between second supralabial and prefrontal; five scales in the first vertical row of dorsals; four supralabials; four infralabials; 22–26 anterior scale rows; 20–24 midbody scale rows; 20 posterior scale rows; 384–464 dorsal scale rows (Centeno et al., 2010). Today, this species has one of the widest range among its congeners, occurring from Misiones in Argentina, northward to Goiás, in Brazil (Centeno et al., 2010). Recently, after examining anomalepidids deposited in some Brazilian collections, we found specimens from localities representing important records for the knowledge of the geographic distribution of Liotyphlops beui. These new records come from specimens in the collections of Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, and Museu de Ciências e Tecnologia, PUC-RS (MCT), Porto Alegre, Rio Grande do Sul. Two specimens (UFMG 1906, 1907 [Figure 1]), from Pará de Minas (19.8600° S, 44.6078° W) represent the second known record from the state of Minas Gerais, filling a gap ofca. 800 km between Uberlândia and Colatina, the closest records (Centeno et al., 2010). In Figure 1 of Centeno et al. (2010), two locality records for L. beui are present in Minas Gerais: Uberlândia in the west and a second point in the southeast, which actually lies in the city of Viçosa, where L. wilderi, not L. beui occurs (F. C. Centeno, by e-mail to HCC; see also the appendix in Centeno et al. (2010), and Costa et al. (2010)). Other four new important records come from Bom Progresso (27.5439° S, 53.8658° W) (MCT 19086), Frederico Westphalen (27.3589° S, 53.3939° W) (MCT 4345), Frederico Westphalen, Colégio Agrícola (27.3916° S, 53.4307° BOL. MUS. BIOL. MELLO LEITÃO (N. SÉR.) 37(3). 2015 243 Figure 1. Live specimen of Liotyphlops beui (UFMG 1907, snout-vent length 282 mm), from Pará de Minas, state of Minas Gerais, Brazil. Photo by Henrique C. Costa. W) (MCT 9494), and Porto Vera Cruz (27.7358° S, 54.9008° W) (MCT 11676). Lema (1994, 2002) cites L. beui for Rio Grande do Sul, but without voucher or detailed locality information. Although close to previous known localities in Argentina (Giraudo, 1994), our records of L. beui for Rio Grande do Sul can be considered the first with voucher specimens. With these new data, Liotyphlops beui is now known to occur from Porto Vera Cruz in Rio Grande do Sul, northward through Misiones (Argentina), Ciudad del Este (Paraguay) and the Brazilian states of Santa Catarina, Paraná, São Paulo, Mato Grosso do Sul, Mato Grosso (westernmost record in Barra do Bugres [15.0728° S, 57.1808° W]), Espírito Santo (easternmost record in Colatina [19.5400° S, 40.6300° W]), Minas Gerais and Goiás (northernmost record in Minaçu, UHE Cana Brava [13.4882° S, 48.1871° W]) (Table 1). Locality records lie in the terrestrial ecoregions (sensu Olson et al., 2001) of Alto Paraná Atlantic Forests (including a transition with the Southern Cone Mesopotamian Savanna), Araucaria Moist Forests, Serra do Mar Coastal Forests, Bahia Interior Forests, Cerrado, and Chiquitano Dry Forests (Figure 2). 244 COSTA ET AL.: GEOGRAPHIC DISTRIBUTION OF LIOTYPHLOPS BEUI Liotyphlops beui inhabits environments varying from forests to open habitats, including urbanized areas (Barbo et al. 2011). Besides the new records here presented, many gaps remain in the knowledge of the geographic distribution of Liotyphlops beui. Probably, the examination of specimens from regional collections, and even more field work may help filling those gaps. Figure 2. Geographic distribution of Liotyphlops beui. Red dots = literature records; yellow squares = new records. Terrestrial Ecoregions follow Olson et al. (2001). See text for details and Table 1 for the list of localities here represented. BOL. MUS. BIOL. MELLO LEITÃO (N. SÉR.) 37(3). 2015 Table 1. Locality records of Liotyphlops beui based on literature review and this study. Voucher information is based solely on its respective source. Collection acronyms: Argentina: CFA = Colección Felix de Azara; MACN = Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; CIES = Colección del Centro de Investigaciones Ecológicas Subtropicales; CUNAM = Colección de la Universidad Nacional de Misiones. Brazil: MZUSP = Museu de Zoologia, Universidade de São Paulo; IBSP = Instituto Butantan; UFMG = Universidade Federal de Minas Gerais; MNRJ = Museu Nacional, Universidade Federal do Rio de Janeiro; MCT = Museu de Ciências e Tecnologia, PUC-RS. USA: CM = Carnegie Museum; MCZ = Museum of Comparative Zoology; DU = Duke University. Switzerland: MNHG = Museum d’Histoire Naturelle, Geneve. United Kingdom: BM = British Museum. Country State/Province Municipality/City, Localidade Latitude Longitude Source Voucher Argentina Misiones 17 Km al sur de Fracrán por el camino que -26.9305 -54.2820 Giraudo (1994) CFA 431 va hacia El Soberbio Argentina Misiones 30 km al noreste de Bernardo de Irigoyen -26.2664 -53.67 Giraudo (1994) MACN 33040 Argentina Misiones Aristobolu del Valle -27.1000 -54.8333 Giraudo (1994) CFA 231, 405 Argentina Misiones Oberá -27.5140 -55.1221 Giraudo (1994) MACN 3554 Argentina Misiones Parque Nacional Iguazú -25.7037 -54.4645 Giraudo (1994) CIES 45, 53 Argentina Misiones Posadas -27.3833 -55.8833 Giraudo (1994) CUNAM s/n Brasil ES Colatina -19.5400 -40.6300 Dixon & Kofron (1983); MZUSP 5255, 5256 Centeno et al. (2010) Brasil GO Goiânia, Campinas -16.6721 -49.2898 Amaral (1954) IBSP 4552 Brasil GO Mambaí, PCH Santa Edwidges -14.3089 -46.1736 Cintra et al. (2009) MZUSP 15117, 15118 Brasil GO Minaçu, UHE Cana Brava -13.4882 -48.1871 Moreira et al. (2009) ? Brasil GO Serranópolis 1 -18.3065 -51.9624 Centeno et al. (2010) IBSP 44188 Brasil GO UHE Corumbá IV -16.3190 -48.3373 Moreira et al. 2009 ? Brasil GO UHE Serra da Mesa -13.9000 -48.3100 Moreira et al. (2009); MZUSP 11042–11043 Centeno et al. (2010) Brasil MG Pará de Minas -19.8600 -44.6078 This study UFMG 1906, 1907 Brasil MG Uberlândia -18.9189 -48.2769 Centeno et al. (2010) IBSP 75588 Brasil MS Terenos -20.4419 -54.8600 Amaral (1954); Dixon & IBSP 8882 Kofron (1983) Brasil MS / MT UHE Ponte de Pedra -17.6086 -54.8278 Silva Jr. et al. (2009) ? 245 246 Table 1 (cont.) Country State/Province Municipality/City, Localidade Latitude Longitude Source Voucher Brasil MT Barra do Bugres -15.0728 -57.1808 Freire et al. (2007) MNRJ 7854 Brasil MT Chapada dos Guimarães -15.4500 -55.7400 Dixon & Kofron (1983); MZUSP 6349 Centeno et al. (2010) Brasil PR Andirá -23.0508 -50.2289 Haad et al. (2008); Centeno IBSP 26467 et al. (2010) Brasil PR Araucaria -25.5928 -49.4100 Amaral (1954); Dixon & IBSP 8163, 8164, 8884– Kofron (1983); Haad et 8889 al.
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