A NEW MINUTE LEPTODACTYLID FROG, GENUS PHYLLONASTES, FROM HUMID MONTANE FORESTS OF BOLIVIA

A new species of the minute leptodactylid frog genus Phyllonastes is d escribed from humid montane forests in Departamento de Cochabamba, Bol ivia The new species has two phalanges in the fourth finger, distingui shing it from P. heyeri and P. lynchi, both of which have three phalan ges. From the other species with two phalanges, P. lochites and P. myr mecoides, the new species differs mainly by lacking a tympanum. The sp ecimen USNM 257845 from Yungas de Cochabamba might belong to the new s pecies, but additional material is needed to confirm this point The de struction of Bolivian cloud forests can lead to the extinction of ende mic amphibian species with restricted distributions.