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Sphaerodactylus difficilis BARBOUR, 1914

IUCN Red List - Sphaerodactylus difficilis - Least Concern, LC
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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
SubspeciesSphaerodactylus difficilis anthracomus SCHWARTZ 1983
Sphaerodactylus difficilis difficilis BARBOUR 1914
Sphaerodactylus difficilis diolenius SCHWARTZ 1983
Sphaerodactylus difficilis euopter SCHWARTZ 1983
Sphaerodactylus difficilis lycauges SCHWARTZ 1983
Sphaerodactylus difficilis peratus SCHWARTZ 1983
Sphaerodactylus difficilis typhlopous SCHWARTZ 1983 
Common NamesE: Hispaniolan Eyespotted Geckolet, Hispaniolan eyespot sphaero, Difficult Least Geckko 
SynonymSphaerodactylus difficilis BARBOUR 1914:265
Sphaerodactylus difficilis — COCHRAN 1941
Sphaerodactylus notatus difficilis — SHREVE 1968
Sphaerodactylus difficilis difficilis
Sphaerodactylus difficilis — SCHWARTZ & HENDERSON 1991: 487
Sphaerodactylus difficilis — KLUGE 1993
Sphaerodactylus difficilis — RÖSLER 2000: 111

Sphaerodactylus difficilis anthracomus SCHWARTZ 1983
Sphaerodactylus difficilis anthracomus SCHWARTZ 1983: 22
Sphaerodactylus difficilis anthracomus — SCHWARTZ & HENDERSON 1988
Sphaerodactylus difficilis anthracomus — DE LISLE et al. 2013

Sphaerodactylus difficilis diolenius SCHWARTZ 1983
Sphaerodactylus difficilis diolenius SCHWARTZ 1983: 19
Sphaerodactylus difficilis diolenius — SCHWARTZ & HENDERSON 1988: 176
Sphaerodactylus difficilis diolenius — DE LISLE et al. 2013

Sphaerodactylus difficilis euopter SCHWARTZ 1983
Sphaerodactylus difficilis euopter SCHWARTZ 1983: 13
Sphaerodactylus difficilis euopter — SCHWARTZ & HENDERSON 1988: 176
Sphaerodactylus difficilis euopter — DE LISLE et al. 2013

Sphaerodactylus difficilis lycauges SCHWARTZ 1983
Sphaerodactylus difficilis lycauges SCHWARTZ 1983: 11
Sphaerodactylus difficilis lycauges — SCHWARTZ & HENDERSON 1988: 177
Sphaerodactylus difficilis lycauges — DE LISLE et al. 2013

Sphaerodactylus difficilis peratus SCHWARTZ 1983
Sphaerodactylus difficilis peratus SCHWARTZ 1983: 17
Sphaerodactylus difficilis peratus — SCHWARTZ & HENDERSON 1988: 177
Sphaerodactylus difficilis peratus — DE LISLE et al. 2013

Sphaerodactylus difficilis typhlopous SCHWARTZ 1983
Sphaerodactylus difficilis typhlopous SCHWARTZ 1983: 14
Sphaerodactylus difficilis typhlopous — SCHWARTZ & HENDERSON 1988: 177
Sphaerodactylus difficilis typhlopous — DE LISLE et al. 2013 
DistributionDominican Republic (Oviedo, Prov. Pedernales, La Vega, Santiago, Espaillat, Duarte, S Puerto Plata), Muertos, Hispaniola, Ile de la Tortue (Haiti)

difficilis: north-central República Dominicana. Altitudinal distribution about 300 ft. to at least 2000 ft. Type locality: Santiago de la Vega, La Vega Province, República Dominicana.

anthracomus: east coast of Peninsula de Barahona, República Dominicana. Type locality: 1 km NE Paraiso, Rio Nizaito, Barahona Province, Republica Domincana

diolenius: south-central and eastern República Dominicana; Isla Pascal in Bahia de Samana; presumably the subspecies at Hinche, Dépt. du Centre, Haiti. Type locality: 2 mi. (3.2 km) SE San Cristobal, San Cristobal Province, Republica Dominicana.

euopter: Île de la Tortue. Type locality: Vicinity of Palmiste, Ile de la Tortue, Haiti.

lycauges: all of northern Haiti. Type locality: Cap-Ha'itien, Departement du Nord, Haiti.

peratus: extreme northeastern República Dominicana (absent from Peninsula de Samana). Type locality: 5 km NW Los Yayales, Maria Trinidad Sanchez Pro- vince, Republica Dominicana.

typhlopous: northwestern República Dominicana, inland to Santiago Rodriguez and Santiago provinces; Cayos Siete Hermanos; specimens from northern slopes or interior Cordillera Central intergradient between S. d. typhlopous, S. d. difficilis, and probably S. d. lycaugues. Type locality: 3 km NE Sosua, Puerto Plata Province, Republica Dominicana.  
Reproductionoviparous 
TypesHolotype: MCZ 7834.
Holotype: CM 52279 [anthracomus]
Holotype: USNM 166967 [diolenius]
Holotype: CM 54142 [euopter]
Holotype: CM 52251 [lycauges]
Holotype: CM 52264 [peratus]
Holotype: USNM 166966 [typhlopous] 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1837 characters), are available for collaborators and contributors. Please contact us for details. 
CommentFor illustrations see Cochran, 1941; Shreve, 1968 (as S. notatus difficilis); Schwartz, 1983. 
References
  • Barbour, Thomas 1914. A Contribution to the Zoögeography of the West Indies, with Especial Reference to Amphibians and Reptiles. Memoirs of the Museum of Comparative Zoölogy 44 (2): 205-359 - get paper here
  • Cochran, D.M. 1941. The herpetology of Hispaniola. Bull. US Natl. Mus. 177: vii + 398 pp. - get paper here
  • Cunningham, Carol A.; Tulloch, John S.; Powell, Robert 1993. Food habits of four Hispaniolan species of Sphaerodactylus (Lacertilia: Gekkonidae). Herpetological Natural History 1 (2): 1-10
  • Grant, C. 1952. Sexual and Growth Changes in the Pattern of the Gecko Sphaerodactylus difficilis Barbour Copeia 1952 (3): 187-188. - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rösler, Herbert 2017. Gecko-Chorologie (Squamata: Gekkota). Gekkota (4): 1-160
  • Schwartz, A. 1983. Part 1. Sphaerodactylus difficilis, S. clenchi, and S. lazelli. Pp. 5-30. In: Schwartz, A., and R. Thomas. The difficilis complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Bulletin of Carnegie Museum of Natural History, (22): 1-60
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Shreve, B. 1968. The notatus group of Sphaerodactylus (Sauria, Gekkonidae) in Hispaniola. Breviora (280): 1-28 - get paper here
  • Teale, H. K. 1930. Incubation period of Hemidactylus brooki [sic] Gray and Sphaerodactylus difficilis Barbour. Copeia 1930 (2): 52 - get paper here
  • Thomas R. and S. B. Hedges 1988. Two new geckos (Sphaerodactylus) from the Sierra Martin Garcia of Hispaniola. Herpetologica 44: 96-104. - get paper here
  • Thomas, Richard and S. Blair Hedges 1998. A new gecko from the Sierra de Neiba of Hispaniola (Squamata: Gekkonidae: Sphaerodactylus). Herpetologica 54 (3): 333-336 - get paper here
 
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