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Hemidactylus boavistensis (BOULENGER, 1906)

IUCN Red List - Hemidactylus boavistensis - Near Threatened, NT

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
SubspeciesHemidactylus boavistensis boavistensis BOULENGER 1906
Hemidactylus boavistensis chevalieri ANGEL 1935 
Common NamesE: Boavista Leaf-toed Gecko 
SynonymHemidactylus boavistensis BOULENGER 1906: 198
Hemidactylus bouvieri boavistensis — LOVERIDGE 1947: 121
Hemidactylus bouvieri boavistensis — MERTENS 1955: 5
Hemidactylus bouvieri boavistensis — WERMUTH 1965: 71
Hemidactylus bouvieri boavistensis — SCHLEICH 1987: 53
Hemidactylus bouvieri boavistensis — KÖHLER et al. 2007
Hemidactylus boavistensis —ARNOLD et al. 2008
Hemidactylus boavistensis — RÖSLER 2015
Hemidactylus bouvieri boavistensis — BRETEL 2018
Hemidactylus boavistensis — VASCONCELOS et al. 2020

Hemidactylus boavistensis chevalieri ANGEL 1935
Hemidactylus chevalieri ANGEL 1935: 166 (fide MERTENS 1955)
Hemidactylus boavistensis boavistensis — VASCONCELOS et al. 2020: 520 
DistributionCape Verde Islands (Boa Vista, Santa Maria)

boavistensis: Boa Vista Island; Type locality: Boa Vista Island.

chevalieri: Sal Island, Cabo Verde; Type locality: Santa Maria, Sal Island & unkown locality, Sal Island, Cabo Verde Archipelago.  
TypesHolotype: RMNH RENA 24123- 28, paratypes: MSNG [boavistensis] 
DiagnosisDiagnosis (boavistensis): Very similar to H. b. chevalieri, but usually with four to five lamellas under the first finger according to Angel (1935). Angel (1935) also claims that the transverse bands on the head and nape are usually more marked, but we found this to be highly variable and of little use for identification (see Fig. 7). Even though dorsal colouration is highly variable, Boavista individuals are usually lighter than Sal ones (Vasconcelos et la. 2020: 519).

Diagnosis (chevalieri): Very similar to H. b. boavistensis but usually with six lamellas under the first finger according to Angel (1935). Angel (1935) also claims that head and nape colouration is generally also different as regards to the transverse bands, which are usually lacking or less clear than in the nominotypical subspecies (see Fig. 7), but we found this to be highly variable and of little use for identification. Even though dorsal colouration is highly variable, Sal individuals are usually darker than Boavista ones (Vasconcelos et la. 2020: 520). 
EtymologyNamed after Aime Bouvier (died 1919), a French collector and zoologist who became Secretary of the French Zoological Society (1876). 
  • Arnold, E. N.; Vasconcelos, R.; Harris, D. J.; Mateo, J. A.; Carranza, S. 2008. Systematics, biogeography and evolution of the endemic Hemidactylus geckos (Reptilia, Squamata, Gekkonidae) of the Cape Verde Islands: based on morphology and mitochondrial and nuclear DNA sequences. Zoologica Scripta 37 (6): 619-636 - get paper here
  • Boulenger, G.A. 1906. Report on the reptiles collected by the late L. Fea in West Africa. Ann. Mus. civ. Stor. Nat. Genova (3) 2: 196-216 - get paper here
  • Köhler, G.; Hertz, A.; Sunyer, J.; Seipp, R. & Monteiro, A. 2007. Herpetologische Forschungen auf den Kapverden unter besonderer Berücksichtigung des Kapverdischen Riesenskinks, Macroscincus coctei. Elaphe 15 (4): 62-66
  • Loveridge, A. 1947. Revision of the African lizards of the family Gekkondiae. Bull. Mus. Comp. Zool. Harvard 98: 1-469 - get paper here
  • Mertens, R. 1955. Die Eidechsen der Kapverden. Soc. Sci. fenn. Comment. biol. 15: 1-16
  • Rösler, Herbert 2015. Bemerkungen über einige Geckos der Zoologischen Staatssammlung München. Gekkota, Suppl. (2): 3-54
  • Schleich, H.H. 1987. Herpetofauna caboverdiana. Spixiana Suppl. (12) 75 pp. - get paper here
  • VASCONCELOS, R., KÖHLER, G., GENIEZ, P., & CROCHET, P. A. 2020. A new endemic species of Hemidactylus (Squamata: Gekkonidae) from São Nicolau Island, Cabo Verde. Zootaxa 4878 (3): 501-522 - get paper here
  • Wermuth, H. 1965. Liste der rezenten Amphibien und Reptilien. Gekkonidae, Pygopodidae, Xantusiidae. Das Tierreich (80): 1—246
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