IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Previously known as Hyla erythromma (Duellman 1970) and Ptychohyla erythromma (Campbell and Smith 1992). This species is lime-green dorsally, with a a white iris exhibiting reddish-brown reticulations. Other males examined in life displayed a more conspicuous gray to almost maroon mottling on the dorsum. Nares are edged with black or tan, and the dorsal surfaces of the digital discs are yellowish, but heavily covered with smoky gray. A tarsal fold is present. There are 10-20 enlarged white tubercles below the vent which extend along the proximal 1/2 - 3/4 of the ventrolateral surface of the thigh. Head is slightly wider than body, equally wide as is long. Head width and head length are 36% SVL. Lips moderately thick and slightly flared. Ventrolateral edge of forearm fringed with distinctly raised dermal ridge punctuated with enlarged tubercles. Width of the disc on third finger about equal to diameter of tympanum. Hind limbs moderately long and slender. Tibia length is 56% SVL. Several conical tubercles are present on foot. Toes are two-thirds webbed.

Tadpoles. Thirty six tadpoles were collected. The following measurements are from specimens from Gosner (1960) Stages 25-37: total lengths of tadpoles ranged from 18.8 mm (Stage 25) to 37.9 (Stage 37), and the maximum body length ranged from 7.8 mm (Stage 25) to 12.5 mm (Stage 37). Mouth is ventral, eyes moderately small and directed dorsolaterally. Nostrils situated approximately two fifths distance from the eyes to the tip of the snout. One or two rows of small papillae border the periphery of the mouth, oral disc is bordered by two rows of papillae laterally and posteriorly; there are also 4 upper and 6 lower rows of labial denticles. In life, tadpoles are dark brown with whitish, lichen-like markings and with coppery flecks. The tadpole of Ptychohyla acrochorda (as Hyla erythromma) from the Sierra Juarez has been drawn in Duellman (1970 figs. 260D and 261B).


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