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Apostolepis albicollaris DE LEMA, 2002

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymApostolepis albicollaris DE LEMA 2002
Apostolepis dimidiata – LEMA 1993:43 (in part)
Apostolepis dimidita – HARVEY 1999:408 (in part)
Apostolepis albicollaris — WALLACH et al. 2014: 49 
DistributionBrazil (Cerrado)

Type locality: close to Brasilia, Brazil (fide NOGUEIRA et al. 2012)  
Reproductionoviparous 
TypesHolotype: MCP 8355 
CommentDiagnosis (simple): Apostolepis albicollaris Lema, 2002 is easily diagnosable from all its congeners by the following combination of characters: a distinctive white nuchal collar (bordered by a narrow black collar), a very broad black lateral streak (from ventral border to 5th dorsal row), an almost entirely black ventral surface or black with lateral blotches, and 5th + 6th supralabials in contact with the parietal (temporals 0 + 0).

Diagnosis: a medium-sized species of Apostolepis (up to 451 + 46 mm), differing from all other members of the genus by the following unique combination of characters: rostral moderately prominent to slightly pointed (portion visible from above more than 1⁄2 the length of its distance to frontal, equal to slightly lon- ger than mental from below); nasal usually contact- ing preocular; temporals 0 + 0 (5th and 6th supralabials contacting parietal); four infralabials contacting ante- rior chinshields; ventrals 196-230; subcaudals 24-33; terminal shield short, white posteroventrally and usu- ally rounded; white nuchal collar distinct (2-3 scales long), bordered by narrow black cervical collar (1-2 scales long, indistinct in chunB 23782); dorsal col- or red above, the sides black (below middle of dorsal row 5) with white edged scales; black vertebral stripe absent (just a faint anterior vestige); paravertebral stripe absent; venter heavily pigmented (at least later- ally in ventral scales) to mostly black (posterior edges of ventrals white); prefrontal region mostly black, white snout spots usually restricted naso-rostrally; large white blotch covering most of 3rd supralabial, all of 4th, and (usually) most of 5th; chin and infralabi- al region mostly white or just slightly spotted; black occiput extended below rictus, sometimes completing a gular band [Nogueira et al. 2012).

Similar species: A. dimidiata. 
References
  • Franca, F.G.R.; Daniel O. Mesquita, Cristiano C. Nogueira, and <br />Alexandre F. B. Araújo 2008. Phylogeny and Ecology Determine Morphological Structure in a Snake Assemblage in the Central Brazilian Cerrado. Copeia 2008 (1): 23-38 - get paper here
  • Lema, T. de 2002. Nova especie de Apostolepis Cope do grupo dimidiata do Cerrado do Brasil (Serpentes: Elapomorphinae). Comunicacoes do Museu de Ciencias e Tecnologia da PUCRS Serie Zoologia, 15(2): 227-238
  • Nogueira, Cristiano; Fausto Erritto Barbo and Hebert Ferrarezzi 2012. Redescription of Apostolepis albicollaris Lema, 2002, with a Key for the Species Groups of the Genus Apostolepis (Serpentes: Dipsadidae: Elapomorphini). South American Journal of Herpetology 7(3): 213-225 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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