Description of a new cryptic southwestern Amazonian species of leaf-gluing treefrog, genus Dendropsophus (Amphibia: Anura: Hylidae)

作者：Jungfer Karl Heinz^*; Reichle Steffen; Piskurek Oliver

来源：Salamandra, 2010, 46(4): 204-213.

• Bolivia
• Brazil
• Dendropsophus bifurcus
• Dendropsophus leucophyllatus group
• Dendropsophus salli sp n.
• molecular genetics
• Peru
• vocalizations

The western Amazonian treefrog Dendropsophus bifurcus (ANDERSSON, 1945) is not as widespread as previously thought. Specimens from Bolivia and southern Peru, previously assigned to that species, are distinct and differ in calls, colouration and behaviour. The new species described here can be most easily distinguished from D. bifurcus from the northwestern part of the Amazon Basin in Colombia, Ecuador and northern Peru by its tibial colour pattern, and from the sympatric D. leucophyllatus by adult size and ventral colouration. Molecular data (12S and 16S rRNA) indicate that this Amazonian species is not even closely related to the Amazonian D. bifurcus, but has its closest relative, D. elegans, in the Atlantic Forest region of southeastern Brazil. Dendropsophus bifurcus appears to be only one of various species believed to be widespread in Amazonia, but actually consisting of groups of cryptic species that may not even, as in D. bifurcus and the new species, be closely related. We also discuss the inclusion of D. anceps in the D. leucophyllatus species group.

• 出版日期2010-11-20