Hyloxalus maquipucuna H. pulchellus

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(1) SVL, males, 17.5-20.8, n = 8; females, 19.3-20.5 (x = 19.9; n = 2); (2) disc on Finger III expanded; (3) length of Finger I = Finger II; (4) fringe absent on Finger II; (5) disc on Toe IV wider than diameter of toe; (6) fringe absent on Toe IV, keel present; (7) outer tarsal fold absent; (8) toes unwebbed absent; (9) dorsolateral stripe absent; (10) oblique lateral stripe present, extending to eye; (11) ventrolateral stripe present; 12) discrete markings absent on chest-gular region; two small black spots at base of arms; (13) abdomen white in females, reticulated or white spotted in males; (14) Finger III not swollen in males; (15) testes white (Coloma, 1995).Colostethus delatorrei is compared with C. maquipucuna, both of which have a complete oblique lateral stripe, a reticulated or spotted venter, two small spots at the ventral part of the arm insertion, and lack bandlike marks on the gular-chest region. Colostethus delatorrei is distinguished from C. maquipucuna by having more marks on the dorsal surfaces of thighs and a narrow oblique lateral stripe. Colostethus delatorrei is similar to C. pulchellus; however, C. pulchellus lacks a ventrolateral stripe and black spots ventrally, and has less expanded discs on fingers.

Description of holotype.—Adult male, 19.8 mm SVL; body slender; head slightly longer than wide; head length 34.3% SVL; head width 32.8% SVL; snout bluntly rounded in dorsal view and in profile; loreal region barely concave; nostrils slightly protuberant laterally; eye-nostril distance about half diameter of eye; supratympanic fold weak, diffuse, obscuring posterodorsal part of tympanum; tympanum diameter 48.2% diameter of eye. Forelimbs moderately long; Finger I and II about equal in length; fingers unwebbed, lacking lateral fringes, but keels present; Finger III not swollen; terminal discs expanded moderately; subarticular tubercles low, round; palmar tubercle large, rounded, barely elevated; thenar tubercle elliptical; nuptial excrescences absent. Hind limbs long; tibia length 49% SVL; foot length 43.4% SVL; outer tarsal fold absent; inner tarsal fold sigmoid on distal half of tarsus, barely elevated; outer metatarsal tubercle round, about half size of elliptical inner metatarsal tubercle; toes unwebbed without lateral fringes, but keels present; terminal discs expanded moderately; subarticular tubercles small, round; supernumerary tubercles absent.Skin of dorsum smooth anteriorly and slightly granulated above anal region; skin on flanks and venter smooth; anal opening directed posteroventrally at midlevel of thighs; anal sheath short; tongue elongately elliptical, widest posteriorly, free posteriorly for about two thirds of its length; vocal sac single, not well developed (Coloma, 1995).

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