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Range Extension for Erythrolamprus Epinephelus Bimaculatus (Cope, 1899) and E

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Range Extension for Erythrolamprus Epinephelus Bimaculatus (Cope, 1899) and E Herpetology Notes, volume 10: 511-515 (2017) (published online on 15 September 2017) Range extension for Erythrolamprus epinephelus bimaculatus (Cope, 1899) and E. e. opisthotaenius (Boulenger, 1908) in Venezuela (Serpentes: Colubridae) Moisés Escalona1,* The Golden-bellied snakelet Erythrolamprus Here I report new records of E. e. bimaculatus and epinephelus (Cope, 1862) is a diurnal terrestrial E. e. opisthotaenius that extend the known distribution colubrid that mainly feeds on anurans (Savage, 2002). of both subspecies for Venezuela. These records were The total maximum length of this species is 775 mm in based on museums specimens housed at Colección de females (incomplete tail; Dixon, 1983) and 805 mm in Vertebrados de la Universidad de Los Andes (CVULA), males (Ramírez-Jaramillo, 2015). This species inhabits Mérida, Venezuela, and the Museo de Historia swamps and riverbanks in open areas, grasslands, Natural La Salle (MHNLS), Caracas, Venezuela. and humid forests (Savage, 2002). Apparently, it The specimens were in a good condition and allowed prefers high Andean forests and open areas (Acevedo reliable identification based on Dixon (1983) and et al., 2016), and it is present in Costa Rica, Panama, Kornacker (1999). Measurements provided include Colombia, Venezuela, Ecuador, and Peru at elevations snout–vent length (SVL) and tail length (TL), measured from 0–3400 m (Dixon, 1983). Currently, the known to the nearest mm using a measuring tape. The localities geographic distribution of the species in Venezuela known for E. epinephelus in Venezuela, including these includes noticeable gaps, with records known for new records, are listed in Table 1. All localities were elevations between 170 m (Esqueda et al., 2007) and verified and georeferenced (when necessary) using 2300 m (Natera et al., 2015). Google Earth. Below I provide additional information Erythrolamprus epinephelus comprises nine for the new records. subspecies (Uetz et al., 2017), of which three have been Two specimens were identified as E. e. bimaculatus. reported for Venezuela. Erythrolamprus e. bimaculatus The first, collected during the Proyecto Uribante (Cope, 1899) is only known from a single locality, 17 Caparo on 4 November 1985, is an adult male specimen km N Guaraque [= road to Tovar, 17 km N Guaraque], (CVULA IV-4321, SVL = 415 mm, TL = 131 mm; Fig. according museum data (Table 1), in the Cordillera de 1A,B) from Boca de Monte, Michelena Municipality, Mérida (CM), Mérida State (Fig. 2A; Dixon, 1983). Táchira State (8.0505° N, 71.8506° W; WGS 84), Erythrolamprus e. kogiorum (Bernal-Carlo, 1994) is elevation 2192 m (Locality 1 in Fig. 2A). An adult male known from two localities in the Sierra de Perijá, Zulia road-killed specimen (CVULA IV-8526, SVL = 571 State (Fig. 2A, Table 1; Rojas-Runjaic et al., 2007). mm, TL = 182 mm) was collected by Jesús Molinari Erythrolamprus e. opisthotaenius (Boulenger, 1908) is on 10 July 1999, at Páramo de San José, Campo Elías known from the Tamá Massif and several localities in Municipality, Mérida State (8.3381° N, 71.3036° W; the CM (Fig. 2A, Table 1; Dixon, 1983). WGS 84), elevation 2980 m (Locality 2 in Fig. 2A). Three specimens could be identified as E. e. opisthotaenius. One adult specimen of unknown sex (CVULA IV- 4273, SVL = 481 mm, TL = 145 mm; Fig. 1C,D) was collected on 26 June 1985 at 5 km S Barinitas, Bolívar Municipality, Barinas State (8.7064° 1 Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul, Avenida N, 70.3905° W; WGS 84), elevation 353 m (Locality Ipiranga, 6681, CEP 90619-900, Porto Alegre, Rio Grande 3 in Fig. 2A). Another adult male specimen (MHNLS do Sul, Brazil 22008, unknown measurements) was collected by * Author e-mail: [email protected] Fernando Rojas-Runjaic and Michelle Castellanos 512 Moisés Escalona Table 1. Records of Erythrolamprus epinephelus from Venezuela. Acronyms include AMNH = American Museum of Natural History, New York, USA; BMNH = British Museum of Natural History, London, England; CVULA [= UAM in Dixon, 1983] = Colección de Vertebrados de la Universidad de Los Andes, Mérida, Venezuela; MBLUZ = Museo de Biología de La Universidad del Zulia, Maracaibo, Venezuela; MCNC = Museo de Ciencias Naturales, Los Caobos (Plaza Morelos), Caracas, Venezuela; MCZ = Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA; MHNLS = Museo de Historia Natural La Salle, Caracas, Venezuela; USNM = National Museum of Natural History, Smithsonian Institution, Washington, D.C., USA; ULABG = Colección de Anfibios y Reptiles, Laboratorio de Biogeografía, Universidad de Los Andes, Mérida, Venezuela. Coordinates are given with datum WGS 84. References include (1) Dixon, 1983; (2) this study; (3) Rojas-Runjaic et al., 2007; (4) Rivas and Fuentes, 2002; (5) Esqueda et al., 2007; (6) Natera et al., 2015. Specimen in Esqueda et al. (2007) was referred to as Liophis epinephalus opisthotaenia. Specimen Number Locality: State Latitude Longitude Elevation (m) Reference E. e. bimaculatus CVULA IV-1160 Road to Tovar, 17 km N Guaraque: Mérida 8.2932°N 71.7371°W 1317 1 CVULA IV-8526 Páramo de San José: Mérida 8.3380°N 71.3036°W 2980 2 CVULA IV-4321 Boca de Monte: Táchira 8.0504°N 71.8506°W 2192 2 E. e. kogiorum MBLUZ-R 0318–19 Mesa Turik, Sierra de Perijá: Zulia 10.4120°N 72.7016°W 1700 3 MBLUZ-R 0235 Valle del Ocari, cañón del rio negro, Sierra de Perijá: Zulia 10.0520°N 72.8283°W 1300 3 E. e. opisthotaenius MCZ 112415 Betania [= region of] Páramo de Tamá: Táchira 7.4770°N 72.4559°W 2000 1 BMNH 1905.6.30.59–60 Chama [=sector Chama, Mérida city]: Mérida 8.5584°N 71.1757°W 1271 1 BMNH 1905.5.31.56–58 Mérida [= Mérida city]: Mérida 8.5948°N 71.1512°W 1568 1 BMNH 1908.5.29.146–147 Mérida [= Mérida city]: Mérida 8.5948°N 71.1512°W 1568 1 BMNH 1912.11.1.73–76 Mérida [= Mérida city]: Mérida 8.5948°N 71.1512°W 1568 1 BMNH 1946.1.4.54–55 Mérida [= Mérida city]: Mérida 8.5948°N 71.1512°W 1568 1 CVULA IV-602 Valle Grande: Mérida 8.6754°N 71.1014°W 2196 1 CVULA IV-771 Monterrey, El Valle: Mérida 8.6752°N 71.1128°W 2278 1 CVULA IV-1046–48 Near Canaguá: Mérida 8.1397°N 71.4201°W 1358 1 CVULA IV-1050–51 Laguna de El Joque: Mérida 8.5840°N 71.3437°W 1970 1 CVULA IV-1162 Monte Zerpa: Mérida 8.6268°N 71.1578°W 1948 1 CVULA IV-1697 Valle Grande: Mérida 8.6754°N 71.1014°W 2196 1 CVULA IV-1710 Monte Zerpa: Mérida 8.6268°N 71.1578°W 1948 1 CVULA IV-2318 Monte Zerpa: Mérida 8.6268°N 71.1578°W 1948 1 USNM 162827 Misisi, 14 km E Trujillo: Trujillo 9.3535°N 70.3143°W 1943 1 BMNH 1903.6.30.37–38 Rio Albarregas: Mérida 8.5976°N 71.1478°W 1587 1 USNM 162822 Rio Albarregas: Mérida 8.5976°N 71.1478°W 1587 1 AMNH 13418–19 Rio Albarregas and Milla: Mérida 8.6082°N 71.1400°W 1665 1 MHNLS 1096 San Cristobal: Táchira 7.7670°N 72.2249°W 902 1 MHNLS 22000 Between Las Adjuntas and La Osa: Mérida 8.6487°N 71.4794°W 1551 2 CVULA IV-4273 5 Km S Barinitas: Barinas 8.7063°N 70.3904°W 353 2 CVULA IV-4541 Hacienda Santa Rosa, Santa Bárbara del Zulia: Zulia 8.7967°N 71.7900°W 75 2 MCNC 7705 Curimagua: Falcón 11.171°N 69.6723°W 1093 4 ULABG 6620 Pica auxiliar 8, Reserva Forestal de Caparo: Barinas 7.4552°N 71.0478°W 147 5 Not vouchered Ticoporo: Barinas 7.7917°N 70.1711°W 105 6 on 8 July 2015 at a locality between Las Adjuntas 4321 (Locality 1 in Fig. 2A) is at the Los Llanos flank and La Osa, Andrés Bello Municipality, Mérida State or the vertiente llanera of the CM (Arismendi, 2007) (8.6487°N, 71.4794°W; WGS 84), elevation 1551 m and corresponds to a Montane High Evergreen Forest (Locality 4 in Fig. 2A). The third specimen is an adult Ecosystem (Ataroff and Sarmiento, 2004). This is the male (CVULA IV-4541, SVL = 436 mm, TL = 142 mm), second record of E. e. bimaculatus in Venezuela and collected by Pedro Durant and Alba Díaz on 5 July 1985 extends the distribution 29 km SW from the previously at Hacienda Santa Rosa, Santa Bárbara del Zulia, Colón known locality (Fig. 2A). In addition, the locality Municipality, Zulia State (8.7967°N, 71.7900°W; WGS of CVULA IV-8526 (Locality 2 in Fig. 2A) is in the 84), elevation 75 m (Locality 5 in Fig. 2A). Sierra Nevada of the CM and corresponds to a Páramo These new reports of occurrences for Erythrolamprus Ecosystem (Ataroff and Sarmiento, 2004). This is the epinephelus bimaculatus extend its geographic third record for E. e. bimaculatus in Venezuela, which distribution in Venezuela. The locality of CVULA IV- extends the distribution 48 km E from the nearest Distribution extension of two Erythrolamprus epinephelus subspecies in Venezuela 513 Figure 1. Museum specimens of Erythrolamprus epinephelus from Venezuela. (A) Dorsal and (B) ventral view of E. e. bimaculatus (CVULA IV-4321) from Boca de Monte, Táchira State, Venezuela. (C) Dorsal and (D) ventral view of E. e. opithotaenius (CVULA IV-4273) from a locality 5 km S Barinitas, Barinas State, Venezuela. The black bar represents 10 mm. Photos by Javier García- Gutierrez. locality. Furthermore, this record extends the elevational (Locality 4 in Fig. 2A) is in the vertiente lacustre of distribution of the species in the country upwards by ca.
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