Dipsas oreas

CADLE, JOHN E. & MYERS, CHARLES W., 2003, Systematics of Snakes Referred to Dipsas variegata in Panama and Western South America, with Revalidation of Two Species and Notes on Defensive Behaviors in the Dipsadini (Colubridae), American Museum Novitates 3409, pp. 1-48 : 43

Dipsas oreas

ECUADOR: ‘‘the elevated Valley of Quito’ ’, 16 ANSP 10115 (holotype) . Chimborazo: Huigra to Río Chiguancay [02°13̍S, 79°03̍W], ANSP

16 The holotype of Dipsas oreas , collected by James Orton and acquired by Cope, is probably from southern Ecuador, as inferred from characters of the specimen. Orton’s locality ‘‘elevated valley of Quito’’ has often been interpreted narrowly as the valley immediately surrounding Quito (e.g., Peters, 1955). However, Orton (1871, 1875) clearly had a much broader region in mind, encompassing the entire Ecuadorian highlands from Colombia to Peru (Cadle, MS) .

18117, 18120, 18123 .17 Chimborazo / Cañar: [Río] Chanchan Valley [02°17̍S, 79°24̍W], MCZ 17083 . Guayas: Guayaquil [02°10̍S, 79°50̍W; probably in error because this species does not otherwise seem to occur in the lowlands], USNM 60006 , 62797–62802 . Loja: Catamayo Valley , 9780 ft [2982 m; 03°59̍S, 79°21̍W], USNM 98923 . Pichincha: 13 km E Veracruz ( 20 km NE Catacocha ), 2250 m [03°58̍S, 79°34̍W], KU 142803 .

PERU: Piura: Immediate vicinity of Ayabaca, approximately 2600 m [04°38̍S, 79°43̍W], MUSM­JEC 10347 .18 Toronche (town at base of Cerro Aypate), approximately 16 km (airline) SE Ayabaca, 1950 m [04°35̍S, 79°32̍W], MUSM 16750. 2 km W Porculla [Pass] [05°51̍S, 79°31̍W], MVZ 119330. Cajamarca: vicinity of Monteseco, Río Zaña, 19 1450–1800 m [06°51̍S, 79°06̍W], FMNH 232570–232572, MUSM 16751–16752, 5530, 5532–5533, ANSP 31777– 31781, 31783–31786.