FIGURE 24 in Taxonomic revision of the parrot snake Leptophis ahaetulla (Serpentes, Colubridae)

FIGURE 24. Color patterns and color tones variability of Leptophis nigromarginatus: (A) dorsal view of KU 250505, SVL 1013 mm, a male from Nauta Caño, Río Marañón, Department of Loreto, Peru; (B) an uncollected banded juvenile specimen from Shushufindi, province of Sucumbíos, Ecuador; dorsal (C) and (D) lateral views of an uncollected specimen from Croa River, municipality of Cruzeiro do Sul, state of Acre, Brazil. Note the black edges on supracephalic scales, the ventral scales edged anteriorly and laterally with Robin's Egg Blue (161) (B, D), the dorsal scales of neck and body with prominent black margins, the presence of one or two black spots in center of each parietal, and one black spot on outer edge of supraocular scales in all specimens; although different in size, the presence of these spots is typical of this species. Note that the color of scales in dorsal rows 1–3 is yellow in the juvenile specimen. Photos by (A) W.W. Lamar, (B) S. Vizcarra and (C–D) L.S. Almeida.