Stegonotus melanolabiatus RUANE, RICHARDS, MCVAY, TJATURADI, KREY & AUSTIN, 2017
Can you confirm these amateur observations of Stegonotus melanolabiatus?
Stegonotus melanolabiatus
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Black-lipped groundsnake |
| Synonym | Stegonotus melanolabiatus RUANE, RICHARDS, MCVAY, TJATURADI, KREY & AUSTIN 2017: 18 Stegonotus diehli LINDHOLM 1905 (part.) Stegonotus melanolabiatus — KAISER et al. 2018: 58 |
| Distribution | Papua New Guinea (Simbu and Southern Highlands Provinces) Type locality: Doido, Chimbu (= Simbu) Province, Papua New Guinea, elevation 1300 m asl (6.550000°S, 144.833333°E) |
| Reproduction | |
| Types | Holotype: AMS R115343 (field number R50; tissue ABTC 43740), adult male. Collected by S. Donnellan and K. Aplin, between 22 April and 4 May, 1984. Paratypes: AMS R122906 (field number B20; tissue ABTC 44739), collected by S. Donnellan and K. Aplin, November 1985, from Waro, Southern Highlands Province, elevation 550 m asl (6.533333°S, 143.183333°E); AMS R115361 (field number F46; tissue ABTC 43434), col- lected by S. Donnellan and K. Aplin, May 1984, from Noru, Chimbu Province, elevation 1150 m asl (6.583333°S, 144.650000°E) AMS R115320 (field number R22; tissue ABTC 43724), collected by S. Donnellan and K. Aplin, 1984, from Noru, Chimbu Province, Papua New Guinea, elevation 1150 m asl (6.533333°S, 144.850000°E). |
| Diagnosis | Diagnosis: A new species of Stegonotus that can be diagnosed from its congeners by the following combination of characters: a dark grey or brownish unpatterned dorsum with a white or cream venter that includes dark grey markings, with dorsal scale pigmentation continuing onto some or many of the ventral scales, dark grey pigmentation on the subcaudal scales extended from the dorsal scale pigmentation, 17 dorsal scale rows at midbody (infrequently 15), the presence of two apical pits on most dorsal scales, 179−197 ventral scales and 89−98 divided subcaudal scales, one or (rarely) two preocular scales, seven or (rarely) eight supralabial scales, eight or (rarely) nine infralabial scales, with the supralabial and infralabial scales cream and marked with dark grey pigmentation or almost completely pigmented on the supralabials. |
| Comment | Behavior: nocturnal |
| Etymology | The species epithet comes from the Greek “melano” meaning black or dark and the Latin word “labia” for lips. The name refers to the dark coloration of the labial scales of this species. |
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