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Ptyas herminae (BOETTGER, 1895)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Sakishima Green Snake 
SynonymAblabes herminae BOETTGER 1895: 269
Ablabes herminae — BOULENGER 1896: 643
Liopeltis herminae — STEJNEGER 1907: 343
Liopeltis herminae — MAKI 1931: 116
Entechinus herminae — CUNDALL 1981
Liopeltis herminae — WELCH 1988
Entechinus herminae — WELCH 1988
Opheodrys herminae
Eurypholis herminae
Cyclophiops herminae — TORIBA 1989
Cyclophiops herminae — MATSUI 1996
Cyclophiops herminae — OTA 2000
Cyclophiops herminae — WALLACH et al. 2014: 202
Ptyas herminae — FIGUEROA et al. 2016 
DistributionJapan (Ryukyu Islands)

Type locality: “Liukiu-Inseln, angeblich von Yaeyama auf Mijakoshima, Südgruppe”.  
Reproductionoviparous 
TypesHolotype: SMF 19308 
DiagnosisDiagnosis: Scales in 17 rows, smooth excepting on the posterior fourth of the body where they show a faint keel at the base on middle scale rows; ventrals 159-164; anal divided; subcaudals 47-64. (Maki 1931) 
CommentThis species is classified as “near threatened” in Japan (Ota 2000).

Habitat: partly arboreal (Harrington et al. 2018). 
EtymologyNamed after Boettger’s wife, Hermine Boettger, even though Boettger (1895) does not explain the derivation of the name. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boettger, O. 1895. Neue Frösche und Schlangen von den Liukiu-Inseln. Zool. Anz. 18: 266-270 - get paper here
  • Boulenger, G.A. 1896. Catalogue of the snakes in the British Museum, Vol. 3. London (Taylor & Francis), xiv + 727 pp. - get paper here
  • Figueroa A, McKelvy AD, Grismer LL, Bell CD, Lailvaux SP 2016. A Species-Level Phylogeny of Extant Snakes with Description of a New Colubrid Subfamily and Genus. PLoS One 11 (9): e0161070.doi:10.1371/journal.pone.0161070 - get paper here
  • Goris, R.C. & Maeda, N. 2004. Guide to the Amphibians and Reptiles of Japan. Krieger, Malabar, 285 pp.
  • 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
  • Maki, M. 1931. Monograph of the Snakes of Japan. Dai-ichi Shobo, Tokyo. (1), 7, 240 pages (expanded edition 1933)
  • Nguyen, S. N., Vo, B. D., Orlov, N. L., Phan, K. D., Van Le, M., Nguyen, L. T., ... & Che, J. 2024. A new species of green rat snake (Squamata: Colubridae: Ptyas) from Vietnam. Zoological Research: Diversity and Conservation - get paper here
  • Ota, H. 2000. Current status of the threatened amphibians and reptiles of Japan. Popul. Ecol. 42: 5-9 - get paper here
  • Stejneger, LEONHARD H. 1907. Herpetology of Japan and adjacent territory. Bull. US Natl. Mus. 58: xx, 1-577 - get paper here
  • Toriba, M. 1989. A book review: Snake of the Orient, a Checklist, by Kenneth R. G. Welch, 1988, Krieger, Melbourune, Florida, vii+183pp. (in Japanese). Japanese Journal of Herpetology 13 (1): 21-25.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
 
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