Family Aromobatidae

FAMILY AROMOBATIDAE

Subfamily Allobatinae

Allobates femoralis (Boulenger, 1884) Common name(s): Brilliant-thighed Poison Frog (Eng.), grote dijvlek gifkikker (Dutch) Prostherapis femoralis Boulenger, 1884, “1883”, Proc. Zool. Soc. London 1883: 635. Type locality: Yurimaguas, Huallaga River, Loreto, Northern Peru.

Short description

Adult size up to 3.5 cm. Maxillary teeth present. Dorsal skin granular. Toes with narrow, basal webbing. First finger longer than the second. Dorsum, flanks and ventral side black. One narrow, light yellow to golden dorsolateral stripe from the tip of the snout to the groin, and a second, sometimes incomplete, dorsoventral white to yellow stripe from the point of the snout toward the thigh. Legs usually light brown. Thigh black with a contrasting bright yellow to red spot. A whitish to light orange spot at the upper forelegs. Black belly with white markings. Quite similar to Ameerega hahneli, from which it differs by its larger size, pres- ence of teeth, the absence of a bright spot under the calf, the basal toe webbing and the first finger being longer than the second.

Distribution

Lowland forests of Guyana, Suriname, French Guiana and the Amazon Basin. Distribution in Surinamee: A common species in most localities in the savanna belt and interior; also found in a few localities just north of the savanna belt (Kaboeri Creek and Maratakka). Its call may be heard everywhere in areas where it is very abundant. Often sympatric with Ameerega trivittata, which is usually the more abundant species. allobates femoralis 21

Fig. 19 Allobates femoralis, Nassau Mt.

Fig. 20 Distribution of Allobates femoralis in Suriname.