Atractus modestus BOULENGER, 1894
Can you confirm these amateur observations of Atractus modestus?
|Higher Taxa||Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Modest Ground Snake|
S: Culebra minadora
|Synonym||Atractus modestus BOULENGER 1894: 304|
Atractus modestus — LEHR 2002: 204
Atractus modestus — WALLACH et al. 2014: 76
|Distribution||W Ecuador (Pichincha, Cotopaxi and Azuay), Peru; elevation 21 00-2560 m|
Type locality: Western Ecuador Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: NHM 1918.104.22.168, adult male|
|Comment||Extremely rare species. There seem to be only a few specimens in museum collections.|
Diagnosis: Atractus modestus can be distinguished from all species of the genus by the following combination of characters: 1) 17 dorsal scale rows; 2) moderate loreal; 3) 5–8 maxillary teeth; 4) six supralabials; 5) seven infralabials, first four contacting chin shields; 6) nasal completely divided; 7) two postoculars; 8) 155–173 ventral scale rows in males and 174–185 in females; 9) 34–41 subcaudals in males and 26–31 in females; 10) total segmental counts 191–202 in males and 202–216 in females; 11) moderate size, reaching a maximum SVL of 273 mm in males and 328 mm in females; 12) moderate tail (15.5–21.4% SVL in males and 11–12.5% SVL in females); 13) dorsal pattern uniformly chocolate to dark brown with a light nuchal collar and a white paraventral stripe in juveniles.
Distribution: this species has been reported from Peru, but without specific locality (T. Doan, pers. comm. 30 Apr 2012).
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