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Amphibia, Anura, Ceratophryidae, Batrachyla Leptopus Bell, 1843 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 Amphibia, Anura, Ceratophryidae, Batrachyla leptopus ISTRIBUTIO D distribution map, Chile Bell, 1843: New records updating and geographic * RAPHIC and Sandra L. Cifuentes P. G EO G César C. Cuevas P. N O [email protected] 1 Universidad Austral de Chile, Instituto de Zoología, IZUA. Las Encinas 220, Casilla 567. Valdivia, Chile. * Corresponding author. E-mail: OTES N Abstract: A new locality and an updated distribution map to Batrachyla leptopus extends in 200 km the distribution range of this species and constitutes the northernmost record until today. Finally, the present results are discussed in the Amphibian declining frame, bearing in mindBell the is importance provided herein. of these The records new record and additional information to future conservation strategies in the study area. At present, the genus Batrachyla Bell, 1843 comprises range; 46°25’ S, 72°04’ W), including the Chiloé Island where is sympatric with B. taeniata and B. antartandica America. Batrachyla antartandica Barrio, 1967, B. leptopus in the same place (Formas 1997; Díaz-Páez and Ortiz Bell,five species1843, andof frogs B. taeniata inhabiting (Girard, at southern 1854) occurpart of in South both 2003). Recently, specimens of this species were located Chile and Argentina (Formas 1979); B. nibaldoi Formas, in the Drainage of the Rio Baker (XII Region) (Ortiz and 1997 is restricted at south of Chilean territory (Formas Díaz-Páez 2006) which might constitute its southern B. fitzroya Basso, 1994 is known distribution (Figure 1). only from the type locality, Isla Grande of the Melendez andlake Brieva(Argentinean 2000), Patagonia) and (Basso 1994). Currently, the Batrachyla is well basedtaxonomic on molecular status of informationthe five species its genericof relationships defined (Cuevas and Formas 2008; Frost 2009); however, Leptodactylidae to Ceratophryidae, besides Atelognathus wereLynch, recently 1978 in revised the subfamily and the Batrachylinaegenus was relocated (Frost etfrom al. 2006; Frost 2009). The four Batrachyla species described for Chile (B. antartandica, B. leptopus, B. nibaldoi, and B. taeniata), undergo a broad distribution along the temperate forest of Nothofagus in the semiarid steppe in central Chile (Formas 1979), such is the case andof B. also taeniata outside reaching of these thewoody locality environments Quintero (32°47’ S, 71°32’ W) in their most northern limits and Formas 2001), presenting for this fact the wider distribution among the Chilean frog’s species. (Brieva Batrachyla leptopus is the genotypic species and was initially described by Bell (1843) based on a specimen during the Voyage of the H.M.S. Beagle (Cei 1962; Busse collected in the locality of Valdivia by Charles Darwin documented to Batrachyla leptopus within the limits of temperate1971). Historically, Nothofagus a forest,wide beingdistribution collected have from been the Coastal Range in the west to the Andes Mountains in the Formas 2005), and from the Nahuelbuta Range (sympatric witheast (FormasB. taeniata 1979;, in Díaz-Páeztheir northern and Ortiz distribution; 2003; Cuevas 37°18’ and S, Figure 1. Distribution map of Batrachyla leptopus showing historic localities (asterisks) and the new record site in Los Queules National channels (sympatric with B. nibaldoi, in their southern 73°17’ W) (Formas and Brieva 2000) to the Patagonian Reserve (symbol). Check List | Volume 6 | Issue 4 | 2010 633 Cuevas and Cifuentes | Amphibia, Anura, Ceratophryidae, Batrachyla leptopus Bell, 1843 Concerning the biogeography of Batrachyla, B. leptopus is one of three species that also are present in the (Permit N° 05/08 of the Forest National Corporation) oriental hillsides of the Andes Range, in the area where (35°59’19”The new S, locality,72°41’25” National W; 87 m.a.s.l.Reserve), isLos located Queules 60 the temperate Nothofagus forest penetrates towards km south of Cauquenes by road, and 22 km south of the the argentinean side (Formas 1979). The others two species are B. antartandica and B. taeniata (Cei 1980), Region of Chile. This new record extends ca. 200 km to reaching the latter the relicts forest of Quintero in their thesmall north city theof Curanipe B. leptopus (Figures 1 and 2) in the Seventh septentrional distribution (32°47’ S, 71°32’ W, Fifth has been cited only between VIII and X Region (Formas 1995; Díaz-Páez and Ortiz distribution,2003). Both thewhich presence previously and hand, B. fitzroya and B. nibaldoi are species with more Regionrestricted of Chile)distributions; (Brieva andthe formerFormas is2001). micro On endemic the other of corroborated by listening a mating call of a male in April the Isla Grande of the Melendez Lake in the western slopes ofthe 2007 specific (Austral identification autumn ofseason) the new outside material of the was forest first of the Andes (Basso 1994) and the latter is endemic to the guardhouse. Batrachyla leptopus south of the Patagonia (Puente Traihuanca, Coihaique; call differing notoriously from those of B. taeniata and B. antartandica (Penna 1997). Considering has a very that characteristic B. taeniata (Díaz-Páez and Ortiz 2003; Rabanal 2010). Probably, the distribution ranges among 48° LS and the relicts forest of endemismFormas 1997) condition where sharednew populations by B. fitzroya have and been B. nibaldoi located is due to the fact that they correspond to more recent B. taeniata and B. leptopus indicate to us that both species Quintero at 33° LS, the available geographical records to From east to west the Chilean territory is shaped by hypothesis must be checked on. speciation processes (Cuevas and Formas 2008). mightA tadpolesuperpose specimen its distribution (Figure in 2B;this area;stage however39, Gosner this Intermediate depression, and Coastal Range (Formas 1960) was collected on 18 August 2008, 2 km before the 1979).three principal In the Andes geographical Range theformations: northern Andes record Range, to B. leptopus keep up a correspondence with the Tolhuaca stream of 50 cm wide and 10 cm deep (Figure 2D). The National Park (38°12’ S, 71°48’ W; 920 m altitude Reserve Los Queules at the border of a road near of a small and Formas 2005) and in the intermediate depression it of tail and determining its chromosome number which ; Cuevas wasspecific 2n =status 26, NFwas = confirmed52 (Figure by 2C). squashing Batrachyla a little taeniata piece pers. obs.), in both localities in sympatry with B. taeniata. and B. antartandica also share this same diploid number, Inhas Coastal been registered Range B. in leptopus the Collipulli Valley (37° S, Cuevas, B. leptopus in their FN record in Concepción (37°01’ S had, 73°13’ never W) been(Formas reported 1979; andhowever Formas both 2008). species In differsaddition, from B. taeniata has not been Diaz-Páeznorth of the and Bio-Bio Ortiz 2003).river mouth, being their septentrional collected(50) because here the until presence now. On of the a telocentric other hand, pair B. antartandica(12) (Cuevas A D B C Figure 2. Batrachyla leptopus Batrachyla leptopus Batrachyla leptopus A: Male specimen of from the new locality. B: Tadpole of of Los Queules. C: Basic karyotype of from Los Queules. D: Panoramic view of the border of Los Queules. Bar equal 0.7 cm. Check List | Volume 6 | Issue 4 | 2010 634 Cuevas and Cifuentes | Amphibia, Anura, Ceratophryidae, Batrachyla leptopus Bell, 1843 Pablo de Tregua (39°36’46” S, 72°05’28” W in the Andes industry (Little et al. 2009) (Figure 2D). In summer, season have their septentrional distribution documented in San productive activities, such as agriculture, and forestry 73°12’ W) in the Coastal Range (400 km south of the new localityRange; Cuevashere reported). and Ugarte 2008) and in Mehuín (39°25’ S, consequencesforest fire (accidental in the qualityor intentional) and quantity is also ofan disposableimportant B. leptopus habitatcause of to native the frogs, forest one lost. of All the these most threats important have important causes of B. MayThe 2009 definitive with Dr. proof José aboutNúñez the and presence Felipe Rabanal, of when leptopus adultin Los specimens Queules was of Batrachylaacquired in leptopus a fieldtrip (Figure carried 2A) out were on extensionits declining of (IUCNhis distribution 2006). In rangethis frame, out of the the finding temperate of Nothofagus in Los Queules National Reserve is not only the knowledge of the Chilean fauna is incomplete and in many collected into the Reserve. They were localized in the cases the currentforest, but,information also provides responds evidence to accidental that the interior of the forest among the soil liter (dry leaves) in a easilylow area detectable. that will be flooded in winter. In this period this species is in mating time and actively calling males are remnantsfindings and of Maulinonot to planned forest [areainvestigations. where is located This statement the new (size and color polymorphism) in specimens of B. leptopus siteis corroborated reported herein by the (Los fact Queules) that in the to B. last leptopus five years,], two in new the Cei (1962) reported a notable morphological variation species of Eupsophus (E. quelensis and E. septentrionalis) conducted a genetic analysis of this species, reporting a were described, a new population of Telmatobufo from different localities. Formas and Brieva (2000) and Cifuentes 2009) was detected, and a new species of Alsodes (Cuevas moderate inter-population
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