Apostolepis tenuis RUTHVEN, 1927
Can you confirm these amateur observations of Apostolepis tenuis?
Apostolepis tenuis
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Bolivian Blackhead, Ruthven's Burrowing Snake |
| Synonym | Apostolepis tenuis RUTHVEN 1927: 1 Apostolepis ambiniger — PETERS & OREJAS-MIRANDA 1970: 22 Apostolepis tenuis — DE LEMA 2002 Apostolepis tenuis — WALLACH et al. 2014: 53 |
| Distribution | Bolivia, Brazil (França et al. 2020) Type locality: Buena Vista, Santa Cruz, Bolivia. |
| Reproduction | oviparous |
| Types | Holotype: UMMZ 64436, collected by: Jose Steinbach |
| Diagnosis | Diagnosis: “Two upper labials, the 5th and 6th, in contact with the parietals; symphysial scale not in contact with chinshields; 4 lower labials in contact with chin-shields, the 4th the largest.” (Ruthven 1927) Description: “Head relatively broad and flat; snout feebly projecting; eye small. Frontal as long as broad, shorter than its distance from end of snout, half as long as parietals. Nasal separated from preocular by prefrontal. A single post-ocular. Six upper labials, 2d and 3d entering eye; 4th entirely under post-ocular; 5th and 6th in contact with parietals. The first lower labials in contact behind symphysial; 4 lower labials in contact with chin-shields. Dorsal scale rows 15 ; ventrals 260 ; sub-caudals 37 ; anal plate divided. Body above with longitudinal blackish and yellow stripes, as follows: 1st and part of 2d scale row yellow; a black stripe involving part of 2d row, all of 3d and 4th rows, and most of 5th row; a yellow stripe encroaching on 5th row and involving all of the 6th and most of the 7th rows; a median black stripe covering the 8th and the scale edges of adjacent rows. End of the tail black above. Belly yellow, with a median series of dusky markings on the tail. Muzzle yellow above; an irregular yellow spot below the eye; head, including 1st row of scales on the occiput, blackish; a yellow nuchal band one scale wide. Measurements: Total length, 308 mm. ; tail length, 36 mm” (Ruthven 1927) |
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