Two New Species of the Hyla circumdata Group from Serra do Mar and Serra da Mantiqueira, Southeastern Brazil, with Description of the Advertisement Call of Hyla ibitipoca (Anura, Hylidae)

Two new species of the Hyla circumdata group are described from southeastern Brazil. The type localities of both species occur in the Atlantic Forest Domain. Hyla feioi sp. nov. is described from Serra do Ibitipoca, a regional designation within the Serra da Mantiqueira, and Hyla ahenea sp. nov. is described from Serra da Bocaina, a regional designation within the Serra do Mar. Descriptions of the tadpole, advertisement call, and information on natural history are provided for H. feioi sp. nov. The advertisement call of Hyla ibitipoca is described.

Resumen

Duas espécies inéditas do sudeste do Brasil pertencentes ao grupo de Hyla circumdata são descritas. As localidades-tipo de ambas as espécies estão localizadas no Domínio Tropical Atlântico. Hyla feioi sp. nov. é proveniente da Serra do Ibitipoca, designação regional da Serra da Mantiqueira, e Hyla ahenea sp. nov. é proveniente da Serra da Bocaina, designação regional da Serra do Mar. São fornecidas descrições do girino, canto de anúncio e informações da história natural de Hyla feioi sp. nov. É descrito o canto de anúncio de Hyla ibitipoca.

Fig. 1.

Hyla feioi sp. nov., MNRJ 21356, holotype, adult male, SVL 37.5 mm

Fig. 2.

Hyla feioi sp. nov., MNRJ 21356, holotype, adult male. (A) Dorsal and (B) lateral views of head; (C) hand, and (D) foot. Scale = 5 mm

Fig. 3.

Oscillogram and sonogram of advertisement call of (A) Hyla feioi sp. nov., and (B) Hyla ibitipoca, both from Serra do Ibitipoca, State of Minas Gerais, Brazil. Air temperature not determined; recorded specimens not captured

Fig. 4.

Tadpole of Hyla feioi sp. nov., MNRJ 25167. (A) Lateral, (B) dorsal, and (C) ventral views (scale 5 mm), (D) oral disc (scale = 1 mm

Fig. 5.

Geographic distribution of small to medium-sized species of the Hyla circumdata group (SVL 30.0–57.0 mm) on topographic map. Hyla ahenea sp. nov. (cross), Hyla ibitipoca (asterisk), Hyla izecksohni (closed square), Hyla nanuzae (open circles), Hyla ravida (closed circle), and Hyla sazimai (closed stars)

Fig. 6.

Hyla ahenea sp. nov., MZUSP 93493, holotype, adult male, SVL 53.1 mm

Fig. 7.

Hyla ahenea sp. nov., MZUSP 93493, holotype, adult male, SVL 53.1 mm

Contributor Notes

(MFN) Departamento de Zoologia, Instituto de Biologia, Universidade Federal da Bahia, Rua Barão de Geremoabo, Campus de Ondina, 40170–290 Salvador, Bahia, Brasil; and (UC) Departamento de Vertebrados, Museu Nacional/UFRJ, Quinta da Boa Vista, 20940-040 Rio de Janeiro, Brasil. (MFN) napoli@ufba.br; and (UC) ulisses@acd.ufrj.br Send reprint requests to MFN.

Accepted: 04 Feb 2004