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Mesotes strigatus (GÜNTHER, 1858)

IUCN Red List - Mesotes strigatus - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Coastal House Snake
Portuguese: Cobra-Espada, Corre-Campo, Corre-Campo-Lisa, Corredeira, Corredeira-Comum, Corredeira-Grande, Corredeira-Lisa, Urutu, Urutu-Amarelo, Urutu-Preto 
SynonymTomodon strigatus GÜNTHER 1858: 52
Mesotes obstrusus JAN 1863: 54, 96, 306
Mesotes obtrusus var. plataensis JAN 1863
Dryophylax nattereri — WAGLER (fide BOULENGER 1886)
? Dipsas nattereri — DUMÉRIL & BIBRON 1854: 1149
Thamnodynastes strigatus — BOULENGER 1886 (part.)
Thamnodynastes Nattereri — BOULENGER 1886: 436
Thamnodynastes strigatus — BOULENGER 1886: 437
Tachymenis strigatus COPE 1887
Thamnodynastes nattereri — BOULENGER 1896 (3): 116
Dryophylax nattereri — AMARAL 1926
Tomodon strigatus — HOGE 1953
Thamnodynastes strigatus — PETERS & OREJAS-MIRANDA 1970
Thamnodynastes strigatus — CEI 1993
Thamnodynastes strigatus — GIRAUDO & SCROCCHI 2002
Thamnodynastes strigatus — WALLACH et al. 2014: 719
Thamnodynastes strigatus — NOGUEIRA et al. 2019
Thamnodynastes strigatus — TREVINE et al. 2021
Mesotes strigatus — TREVINE et al. 2022
Thamnodynastes strigatus — HANSCOM et al. 2023 
DistributionArgentina (Buenos Aires, Entre Rios, Corrientes, Misiones), Uruguay, Paraguay, S/SE Brazil (Rio Grande do Sul, Roraima, Pará, Minas Gerais, Rio de Janeiro, São Paulo)

Type locality: see comment  
Reproductionovoviviparous 
TypesHolotype: BMNH 1946.1.2.70, a 584 mm female (Warwick). 
DiagnosisDiagnosis (Mesotes). “Dorsal scales smooth in 19/19/15 rows; stout head and body (average head length larger than 20 mm); dark blotches on labials sutures; well-defined and continuous dark longitudinal ventral stripes, the external pair more conspicuous; black tongue sheath and palate.” (Trevine et al. 2022, Appendix 3)


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CommentSynonymy after CEI 1993. FREITAS 2014 lists Thamnodynastes nattereri (Mikan 1828) as valid while WALLACH et al. 2014 listed it as synonym of T. pallidus.

Distribution: Boos 1984 reported one record from Trinidad which has not been confirmed. See map in Nogueira et al. 2019.

Terra typica: India (GÜNTHER 1858, in error)

Habitat: partly arboreal (Harrington et al. 2018).

Type species: Tomodon strigatus GÜNTHER 1858: 52 is the type species of the genus Mesotes JAN 1863. 
EtymologyNamed after Latin striga, row or strip of anything + Latin atus, having the nature of. (GÜNTHER 1858, Esteban Lavilla, pers. comm., April 2024)

The genus was probably named after Greek mesotes (μεσότης), a middle; state between two extremes. 
References
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