Kalophrynus robinsoni Smith, 1922

Zug, George R., 2015, Morphology and Systematics of Kalophrynus interlineatus-pleurostigma Populations (Anura: Microhylidae: Kalophryninae) and a Taxonomy of the Genus Kalophrynus Tschudi, Asian Sticky Frogs, Proceedings of the California Academy of Sciences 62 (5), pp. 135-190 : 176-177

Kalophrynus robinsoni Smith, 1922 Pahang Mountain Sticky Frog

Kalophrynus robinsoni Smith, 1922 , Journal of the Federated Malay States Museums 10:280 [type locality: “ Wray’s camp”, Pahang, Malaysia] .

TYPE MATERIAL.— Holotype. BMNH 1923.5.14. 29, according to R. F. Inger in Frost, 1985:383.

DEFINITION.— Small, juveniles female 18 mm SVL, males 17–18 mm SVL (n = NA); head modest length NA % HeadL/ SVL; head width, not reported NA % HeadW/HeadL; snout short and truncate NA % SnW/HeadL; naris closer to snout than to eye NA % NarEye/SnEye; eye moderately large NA % EyeD/HeadL; tympanum visible and smaller than eye 66 % Tymp/EyeD; moderate length forelimb NA % Forarm/ SVL and NA % Forarm/CrusL; hindlimb moderate length NA % HndlL/ SVL, NA % CrusL/ SVL and NA % CrusL/ThghL; hindfoot well developed NA % HndfL/CrusL.

Vomerine teeth presence or absence not reported; vomerine fold V-shaped and broadly separated on the midline, condition of postorbital fold not reported, buccal fold strong and denticulate; tongue elliptical and entire.

Fingers presumably without basal web; lengths 3>2>1>4, first and second very short, fourth nub-like; presumably tips rounded and not dilated; subarticular tubercles low and indistinct; fleshy palmar tubercle; aspersities on fingers 1–3. Toes one-third webbed, lengths 4>3>5>2=1; tips bluntly pointed; subarticular tubercles low and indistinct; small oval inner and larger round outer metatarsal tubercles.

Dorsum light brown with elongated X-shaped mark, anterior arms extend to eyelids, posterior arms to groin; no inguinal ocelli; loris through side of trunk dark brown, no light dorsolateral stripe; venter yellowish with spots and speckles of brown.

ETYMOLOGY.— Malcolm Smith named the frog for Mr. Herbert Robinson, director of the Federated Malaya States Museum in appreciate for his opportunity to examine the herpetological collection made in association with a meteorological survey.

DISTRIBUTION.— Western Malaysia on side of Gunung Tahang.

NATURAL HISTORY.— Not reported.

COMMENTS.— Preceding information extracted from Smith (1922) and Dehling (2011). Smith consider the specimens to be juveniles; Dehling noted the presence of asperities on at least one of the males, thereby suggesting sexual maturity.