Leptodactylus insularum Barbour, 1906, Bull. Mus. Comp. Zool., 46: 228. Syntypes: MCZ 2424 (12 specimens), by original designation; Barbour and Loveridge, 1929, Bull. Mus. Comp. Zool., 69: 293, also considered as syntypes MCZ 6901-02 from San Miguel I., as well as MCZ 2444 (6 specimens) from Saboga I.; apparently some of the original 12 syntypes have been renumbered. Type locality: "Saboga Island", Bahía de Panamá, Panama. Barbour and Loveridge, 1929, Bull. Mus. Comp. Zool., 69: 293, recorded MCZ 2424 as being from "San Miguel Id., Bay of Panama", Panama.
San Miguel Island Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 81).
Mainland Pacific versant of Costa Rica, throughout lowland Panama, Caribbean drainages of Colombia and Venezuela; Trinidad.
Heyer, 1974, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 253: 43, following Dunn, 1931, Occas. Pap. Boston Soc. Nat. Hist., 5: 410, included Leptodactylus insularum as a possible synonym of Leptodactylus bolivianus; this conclusion was formalized by Savage, 2002, Amph. Rept. Costa Rica: 217-219, who provided an account and discussion of the taxonomic controversy. Leptodactylus insularum was resurrected by Heyer and de Sá, 2011, Smithson. Contrib. Zool., 635: 1-58, subsequent to the synonymy with Leptodactylus bolivianus by Savage, 2002, Amph. Rept. Costa Rica: 218, following Heyer, 1974, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 253: 43, and Dunn, 1931, Occas. Pap. Boston Soc. Nat. Hist., 5: 410. See account by Heyer and de Sá, 2011, Smithson. Contrib. Zool., 635: 38-35, who included this in their Leptodactylus bolivianus complex. Murphy, 1997, Amph. Rept. Trinidad Tobago: 84-85, provided a brief account for Trinidad (as Leptodactylus bolivanus). Armesto, Esteban, and Torrado, 2009 "2008", Herpetotropicos, Mérida, 5: 57-63 provided a record for Norte de Santander, northeastern Colombia.
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