Isthmohyla debilis (Taylor, 1952)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Isthmohyla > Species: Isthmohyla debilis

Hyla debilis Taylor, 1952, Univ. Kansas Sci. Bull., 35: 880. Holotype: KU 28184, by original designation. Type locality: "Isla Bonita, (American Cinchona Plantation) eastern slope of Vólcan Póas, [Cantón de Alajuela, Provincia de Alajuela,] Costa Rica, 5600 ft." Type locality discussed by Savage, 1974, Rev. Biol. Tropical, 22: 80.

Isthmohyla debilisFaivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 103.

English Names

Isla Bonita Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 55).


Caribbean slopes of Costa Rica and Pacific slopes of southwestern Panama, 910 to 1700 m elevation.

Geographic Occurrence

Natural Resident: Costa Rica, Panama


See Duellman, 1970, Monogr. Mus. Nat. Hist. Univ. Kansas: 289–292, and Savage and Heyer, 1969, Rev. Biol. Tropical, 16: 1–127, for accounts. Lips and Savage, 1996, Proc. Biol. Soc. Washington, 109: 17–26, included this species (as Hyla debilis) in a key to the tadpoles found in Costa Rica. Formerly in the Hyla rivularis group; this group was placed in the Hyla pictipes group by Duellman, 2001, Hylid Frogs Middle Am., Ed. 2: 887. See account by Savage, 2002, Amph. Rept. Costa Rica: 320–321. In the Isthmohyla pictipes group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 103. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 253. Köhler, 2011, Amph. Cent. Am.: 236–244, provided a brief summary of natural history for the species of Isthmohyla in Central America and provided a range map and photograph for this species.

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