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Peropteryx Pallidoptera ISSN 1809-127X (online edition) © 2010 Check List and Authors Chec List Open Access | Freely available at www.checklist.org.br Journal of species lists and distribution N Peropteryx leucoptera Peropteryx pallidoptera ISTRIBUTIO Mammalia, Chiroptera, Emballonuridae, D Peters, 1867 and RAPHIC G EO Lim, Engstrom, Reid, Simmons, Voss and Fleck, 2010: 3 1,4 G N O 1,2* 1 1,2 Distributional range extensions in Ecuador Molly M. 5 McDonough , Burton K. Lim , Adam W. Ferguson , Carson M. Brown , Santiago F. OTES N Burneo and Loren K. Ammerman 1 Angelo State University, Department of Biology. San Angelo, 76909-0890, TX, USA. 2 Texas Tech University, Department of Biological Sciences. Lubbock, 79409-3131, TX, USA. 3 Royal Ontario Museum, Department of Natural History. Toronto, ON, M5S 2C6, Canada. 4 Tetra Tech. EC1750 SW [email protected] Way, Ste. 400 Portland, OR 97201, USA. 5 Pontificia Universidad Católica del Ecuador, Museo de Zoología, Sección Mastozoología. 1722-20203. Quito, Ecuador. * Corresponding author. E-mail: Abstract: Peropteryx leucoptera P. pallidoptera P. pallidoptera We reevaluate vouchered records of P. leucoptera in Ecuador with regard to the morphologically similar and newly described species, . The western-most distributional occurrence of is documented. Additionally, we describe a new record of collected at Palma Roja, Cuyabeno Faunistic Reserve in Sucumbíos Province, Ecuador that represents the first record for this species in Sucumbíos Province and the northern-most distributional occurrence for Ecuador. Peropteryx Peropteryx (P. Currently,trinitatis four of the five species of Peters, The genus is characterized by a small wing 1867 are known to occur within the country of EcuadorP. sac located near the anterior border of the antebrachial kappleri Miller, 1899 is distributed from Trinidad membrane, opening distally; an expanded rostrum; a and Venezuela east P.to macrotisFrench Guiana; Simmons 2005): distinct angle between the rostrum and the forehead; Peters, 1867P. pallidopterahas been documentedet al in western a basisphenoid pit that is not dividedP. kappleri by, P.a macrotismedian Ecuador, whereas (Wagner, 1843) and the septum, P. trinitatis and a —spike-likeP. leucoptera first upperP. premolarpallidoptera (Jones are recently described et al.Lim ., 2010 are and Hood 1993). Compared with Peropteryxrestricted to leucoptera east of the Andes (Albuja 1999; Tirira 2007; and et al P. leucoptera and Hood and Gardner 2008; Lim et 2010). al. Although characterized by white or pale wings beyond the forearm Peters, 1867 has recently been (Lim . 2010). However, is distinguished collected P.in pallidoptera.eastern Ecuador (Arcos 2007), it has by wingsP. that pallidoptera gradually darken to brownP. leucoptera from the wing not been comparedP. leucoptera to the morphologically similar new tips to the body as compared to a uniformPeropteryx pale brown species, Herein, we reevaluateP. leucoptera known for wing for . In addition, is further records of in Ecuador in light of this new distinguished from other species of by the speciesPeropteryx and provide leucoptera the first record of possession of large pterygoid pits and ears connected by Sucumbíos Province. a low bandet across al the forehead (Sanborn 1937; Goodwin was originally described and Greenhall 1961; Husson 1962, 1978; JonesP. leucopteraand Hood from a specimenPeronymus collected in Suriname (Peters 1867). 1993; Lim . 2010). Subsequently, this species was classified in its own On 22 June 2006, one subadult female subgenus (Peters 1868), which was then later was captured by L. K. Ammerman (LKA 078) in Sucumbíos recognized as a genus (Miller 1907; Sanborn 1937; Corbet Province at the Cuyabeno Faunistic Reserve, Palma Roja and Hill 1991). However, some taxonomic references still (0°1’5.23” S, 76°9’54.48” W, 256 m elevation) (Figure 1). assign it to the rank of subgenus (CabreraPeropteryx 1958; Simmons This locality consists of varzea forest southeast of the et2005). al Recent evidence demonstrates thatPeronymus this species Laguna Grande in the Reserva de Producción Faunística forms a monophyleticPeropteryx group with other (Lim Cuyabeno. The specimen was captured at 18:30 h using et. 2008) al and supports the recognition of asP. Saccopteryxa mistnet placed bilineata on a forest path near a large,Artibeus fallen, al. leucopterajunior synonym of (Hood and Gardner 2008; obscurushollow tree. Other species captured in the same net were Lim . 2010). Two subspecies are recognized including (Temminck, 1838) and P. l. cyclops from Colombia, Venezuela, Guyana, Suriname, (Schinz, 1821). Specimens were collected French Guiana, and Brazil (Hood and Gardner 2008), under Permit No. 016 IC-FAU-DNBAPVS/MA issued by and from Peru (Thomas 1924). However, the the Ministerio del Ambiente of Ecuador. The specimen subspecies boundaries in the western Amazon are unclear. was fluid preserved in alcohol with the skull extracted Check List | Volume 6 | Issue 4 | 2010 639 McDonough et al. | Mammalia, Chiroptera, Emballonuridae, Peropteryx leucoptera Peters, 1867 and Peropteryx pallidoptera Lim, Engstrom, Reid, Simmons, Voss and Fleck, 2010 et al P. leucoptera et al. and deposited in the Mammalogy Division of Museo de . 2008). An additional record, initially described as Zoología at the Pontificia Universidad Católica del Ecuador,et al. et al. by Arcos (2007) (MEPN 9913) was Quito, Ecuador (QCAZ 8478). Tissues (heart, kidney and reexamined and, based on the characters presented in liver) were preserved in lysis buffer (Longmire Lim (2010)—gradation of wing coloration, size of 1997) and deposited at the Angelo State Natural History P.pterygoid pallidoptera pits, and presence or absence of band across Collection, Angelo State University, San Angelo, Texas, USA ears—this specimen was determined to be a female (ASK 7645). Specimen MEPN 9913 was collected in Bosque del Aguarico, 20 km from Lumbaqui,P. leucoptera and represents a western range extensionP. forpallidoptera the species. External measurements of specimens of Peropteryx(MEPN 9869 and QCAZ 8478) and (MEPN 9913) from Ecuador as well as the three other species of that occur in Ecuador are presented in Table 1. The total length for QCAZ 8478 is slightlyP. leucoptera smaller and the forearm length is slightly larger compared to measurements available for other female ; however, the specimen is a subadult as indicated by the incomplete ossification of the epiphyseal joints in the wings andPeropteryx sample sizes are low. Although small sample sizes haveP. macrotis,hindered P. the trinitatis study of sexualP. kappleri dimorphism inP. pallidopteraspecies of et al, it seems that females are larger than males in P. leucoptera, and but not in (Lim . 2010). The externalP. measurementsleucoptera for overlapped broadly in , but we did not have any other cranial material of female comparison; however, the female specimen from Ecuador (QCAZ 8478) was larger than 6 of the 8 measurements for males. Nonetheless, the female specimen from Ecuador was still outside the range for 5 of the 8 measurements P.reported l. cyclops for the other species in the genus (Table 1). Compared with the type specimen of the larger subspecies (adult male; BMNH [British Museum of Figure 1. Peropteryx leucoptera Peropteryx pallidoptera P. Natural History] 24.3.1.6; TL=65, T=15, E=17, FA=44.8, pallidopteraDistribution of records of P. leucoptera (circles) GLS=16.3,P. leucoptera MB=9.2, POC=3.2, CM3=6.5, M3M3=7.6) from and et al (triangles) in Ecuador.P. pallidoptera 1) record of Peru (Thomas 1924; Carter and Dolan 1978), the subadult (MEPNet al 9913) originally reportedP. leucoptera as 0˚2’4.17”N, 71˚24’13.93”W (Arcos et al. 2007); 2) holotype of P. leucoptera 00˚48’S, female from Ecuador (QCAZ 8478) is smaller 76˚24’W (Lim . 2010); 3) record ofet al (MEPN 9869) fromP. except for a slightly larger forearm (46.4) and postorbital leucopteraTiputini River (Arcos . 2007); 4) purported record of constriction (3.4) (Table 1). Photographs of the specimen from Tiputini Biological Station (Rex . 2008); 5) new record of (QCAZ 8478) from Sucumbíos Province, Ecuador. QCAZ 8478 from Ecuador (Figure 2) demonstrate the characteristic white wings, ears connected by a low band across forehead, and large pterygoid pitsP. leucoptera for the species.. External measurements (in millimeters) recorded in However, there is slight morphological variation in the the field included total length (TL), length of tail (T), length shape and size of the pterygoid pits in b of hindfoot (HF), length of ear (E), length of forearm (FA), DNA sequences wereet generated al for QCAZ 8478 and mass (in grams) (W) (Table 1). Cranial measurements from the mitochondrial cytochrome- gene following (in mm) were recorded with digital calipers taken to the the protocol used by Lim . (2008) and deposited in nearest 0.01 mm and included greatest length of skull, GenBank (HM367876). The complete gene region of including incisors (GLS), condyloincisive length (CIL), 1,140 base pairs was compared to previously published breadth across zygomatic arches (ZB), breadth across generasequences of Balantiopteryxon GenBank (Table 2) to confirm, Cormura identification mastoids (MB), breadth across braincase (BBC), width 1867of this, Cyttarops specimen. Species from theDiclidurus closely related across postorbital constriction (POC), length of maxillary Peters, 1867 Peters,et al. toothrow from canine P.to leucopterathird molar (CM3), and breadth Thomas, 1913, and Wied- across upper molars (M3M3) (Table 1). Neuwied, 1820 were
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