Difficult Least Geckko

Continent: Caribbean
Distribution: Dominican Republic (Oviedo, Prov. Pedernales, La Vega, Santiago, Espaillat, Duarte, S Puerto Plata), Culebra, Muertos, Hispaniola, Ile de la Tortue (Haiti) Sphaerodactylus difficilis difficilis: north-central República Dominicana. Altitudinal distribution about 300 ft. to at least 2000 ft. Sphaerodactylus difficilis anthracomus (HOLOTYPE CM 52279): east coast of Peninsula de Barahona, República Dominicana. Sphaerodactylus difficilis diolenius (HOLOTYPE USNM 166967): south-central and eastern República Dominicana; Isla Pascal in Bahia de Samana; presumably the subspecies at Hinche, Dépt. du Centre, Haiti. Sphaerodactylus difficilis euopter (HOLOTYPE CM 54142): Île de la Tortue. Sphaerodactylus difficilis lycauges (HOLOTYPE CM 52251): all of northern Haiti. Sphaerodactylus difficilis peratus (HOLOTYPE CM 52264): extreme northeastern República Dominicana (absent from Peninsula de Samana). Sphaerodactylus difficilis typhlopous (HOLOTYPE USNM 166966): 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: Santiago de la Vega, La Vega Province, República Dominicana.

Continent: Caribbean
Distribution: Hispaniola: Dominican Republic (Province El Seibo, Prov. La Altagracia), Isla Soana Sphaerodactylus savagei savagei: from La Romana to east side of Rio Chavôn.
Type locality: La Romana, Altagracia, Dominican Republic Sphaerodadylus savagei juanilloensis (HOLOTYPE MCZ 73901): extreme eastern Repéblica Dominicana; Isla Saona. INCERTAE SEDIS: Material from Isla Catalinita and Sabana Grande de Palenque is not assigned to subspecies.

Sphaerodactylus difficilis, also known as the Hispaniolan eyespot sphaero or difficult least gecko, is a species of lizard in the family Sphaerodactylidae . It is endemic to Hispaniola.