A Review of the Middle American Tree Frogs of the Genus Ptychohyla — John Shaqi
A Review of the Middle American Tree Frogs of the Genus PtychohylaDuellman, William Edward
Science
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
Duellman, William Edward
Amphibians -- Central America; Amphibians -- Mexico; Ptychohyla
Dorsum of head, body and limbs reddish brown with dark purplish brown
markings on back and shanks; first finger creamy tan; other fingers
pale brown; dorsal surfaces of tarsi, third, fourth, and fifth toes
dull tan with brown spots; first and second toes creamy tan; webbing
on feet brown; anterior and posterior surfaces of thighs tan; faint
creamy white stripe along ventrolateral edges of tarsi and forearms;
enamel-white stripe on heel; axilla and groin gray; enamel-white
stripe on edge of upper lip, continuing onto proximal upper surfaces
of forelimb and on flanks to groin, widened under eye to form large
spot, and bordered below on flanks by dark brown stripe; white stripe
above and white spots below anal opening; throat and chest white;
belly and ventral surfaces of limbs cream color; brown dash on either
side of chin and brown spot on throat near angle of jaws; few brown
flecks on belly; ventrolateral glands orange-tan; ventral surfaces of
tarsi and feet brown.
In life, dorsal surfaces of head, body, and limbs bright green
(Shamrock Green); first and second fingers pale orange (Apricot
Yellow); stripe on upper lip and spot below eye enamel-white; stripe
on flanks silvery white, bordered below by brown (Saccardo's Umber)
brown; anterior and posterior surfaces of thighs yellowish brown (Old
Gold); webbing of feet dull brown (Brownish Olive); belly deep yellow
(Amber Yellow); iris reddish bronze (English Red).
_Variation._--Tubercles beneath the fourth fingers are bifid in 20
specimens and rounded in all others. The tongue is emarginate in 12
specimens and cordiform in all others. In most specimens the white
stripe on the upper lip continues onto the flanks and to the groin; in
five specimens the stripe terminates above the forearm, and in three
it terminates at mid-flank. The lateral stripe is absent in two
specimens. All specimens were uniform green above when found at night;
later some changed to pale green (Light Oriental Green) on the dorsum
with irregular yellowish tan (Naples Yellow) blotches. Most males have
brown flecks on the throat and ventrolateral gland, but some specimens
are immaculate below, and one has dark brown mottling on the throat.
Several males have a round, orange-tan glandular area on the chin, as
does _P. ignicolor_.
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