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Mastigodryas reticulatus (PETERS, 1863)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common Names 
SynonymHerpetodryas reticulata PETERS 1863: 285
Dryadophis boddaerti boddaerti — STUART 1941: 66 (part.0
Mastigodryas boddaerti boddaerti — PÉREZ-SANTOS & MORENO 1991: 245 (part.)
Mastigodryas melanolomus — TORRES-CARVAJAL 2004: 85
Mastigodryas reticulatus — MONTINGELLI et al. 2011
Mastigodryas reticulatus — MONTINGELLI et al. 2018 
DistributionEcuador, Peru

Type locality: Gulf of Guayaquil, Ecuador (02°10’ S, 79°50’W)  
TypesHolotype: ZMB 4504 
DiagnosisDiagnosis – Mastigodryas reticulatus differs from all the other members of the genus by the following combination of characters: (1) presence of a striped dorsal pattern, with the upper, light lateral stripe formed by scale Rows 4 and 5; (2) dorsal scales with dark apical edges; (3) light, immaculate throat and venter; (4) higher number of ventral scales; (5) elongate basal and nude region of the hemipenis; (6) presence of some enlarged and thinner spines lateral to the sulcus spermaticus, on the distal region of the body of the hemipenis [MONTINGELLI et al. 2012]. 
CommentSynonymization of Herpetodryas reticulata with Dryadophis boddaerti by STUART 1941 is questionable according to PETERS & OREJAS-MIRANDA 1970. M. reticulata was revalidated by MONTINGELLI et al. 2011. Otherwise synonymy and subspecies after PETERS & OREJAS-MIRANDA 1970. Listed as synonym of Mastigodryas boddaerti by WALLACH et al. 2014: 428.

According to Peters (1863), the species differs from Herpetodryas boddaerti and H. rappi by the presence of smaller and rhomboidal cephalic scales and by the absence of dark blotches on the head and throat. However, boulenger (1894) considered H. re‐ ticulata to be a junior synonym of drymobius boddaerti. stuart (1941) accepted boulenger’s decision, but explicitly mentioned that the ecuadorian specimens are distinct from the other populations of Drymobius boddaerti.

Habitat: partly arboreal (Harrington et al. 2018). 
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • KOCH, CLAUDIA; PABLO J. VENEGAS, ROY SANTA CRUZ, WOLFGANG BÖHME 2018. Annotated checklist and key to the species of amphibians and reptiles inhabiting the northern Peruvian dry forest along the Andean valley of the Marañón River and its tributaries. Zootaxa 4385 (1): 001–101 - get paper here
  • Montingelli GG, Grazziotin FG, Battilana J, Murphy RW, Zhang Y‐P, Zaher H. 2018. Higher‐level phylogenetic affinities of the Neotropical genus Mastigodryas Amaral, 1934 (Serpentes: Colubridae), species‐group definition and description of a new genus for Mastigodryas bifossatus. J Zool Syst Evol Res. 57: 205– 239 [online 2018, in print 2019] - get paper here
  • Montingelli, Giovanna G.; Jorge H. Valencia, Marco A. Benavides, and Hussam Zaher 2012. Revalidation of Herpetodryas reticulata (Peters, 1863) (Serpentes: Colubridae) from Ecuador. South American J. Herp. 6 (3): 189-197 [2011] - get paper here
  • Peters, W. 1863. Über einige neue oder weniger bekannte Schlangenarten des zoologischen Museums zu Berlin. Monatsb. Königl. Akad. Wiss. Berlin 1863: 272-289.
  • Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - get paper here
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