Pelophylax bergeri (Günther, 1986)

Class: Amphibia > Order: Anura > Family: Ranidae > Genus: Pelophylax > Species: Pelophylax bergeri

Rana hispanica Bonaparte, 1839, Iconograph. Fauna Ital., 2 (Fasc. 24): pl. 81 (description by indication). Holotype: Specimen figured in pl. 81, fig. 5 of the original publication according to Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 157. Type locality: Not stated; restricted to Sicily, Italy, by Mertens and Wermuth, 1960, Amph. Rept. Europas: 55, this restriction supported by discussion in Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 158. Based on a hybridogen of Pelophylax bergeri x Pelophylax ridibundus according to XXX. Crochet and Dubois, 2004, In Gasc et al. (eds)., Atlas Amph. Rept. Europe, Ed. 2: 499, that because the type specimen is lost that the assignment of this name could be either to the hybridogenetic (hybrid) population or to what is currently called Pelophylax lessonae bergeri.

Rana fluviatilis Bonaparte, 1840, Mem. Accad. Sci. Torino, Ser. 2, 2: 443. Types: Not stated; Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 159, suggested designating a neotype of this species that is a specimen of Rana hispanica, which Bonaparte thought might actually apply to this form. Type locality: Not designated; given as Rivers of Lombardia, Italy, by XXX. Synonymy by Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 158. Based on a hybridogen of Rana bergeri x Rana ridibunda according to Crochet and Dubois, 2004, In Gasc et al. (eds)., Atlas Amph. Rept. Europe, Ed. 2: 499.

Rana lessonae bergeri Günther In Engelmann, Fritzsche, Günther, and Obst, 1986, Lurche Kriechtiere Eur.: 180. Type(s): Not stated; male figured in original description designated lectotype by Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 177. Type locality: Not stated; designated as "Region of Roma (41° 54′ N, 12° 29′ E, Lazio, Italy" by Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 177.

Rana (Pelophylax) bergeri — Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 177.

Rana (Pelophylax) kl. hispanica — Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 157.

Rana lessonae bergeri — Crochet and Dubois, 2004, In Gasc et al. (eds)., Atlas Amph. Rept. Europe, Ed. 2: 499.

Hylarana bergeri — Chen, Murphy, Lathrop, Ngo, Orlov, Ho, and Somorjai, 2005, Herpetol. J., 15: 237, by implication.

Pelophylax bergeri — Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 369; Che, Pang, Zhao, Wu, Zhao, and Zhang, 2007, Mol. Phylogenet. Evol., 43: 1-13; by implication.

English Names

Italian Pool Frog (Pelophylax lessonae bergeriArnold, 2002, Rept. Amph. Eur., Ed. 2: 94).

Italian hybrid Frog (Rana kl. hispanica [hybridogen of Rana bergeri x Rana ridibunda]: XXX).

Italian Edible Frog (Pelophylax hispanicus [hybridogen of Pelophylax bergeri x Pelophylax ridibundus]: Dufresnes, 2019, Amph. Eur., N. Afr., & Middle East: 114). 

Distribution

Italy south of the Po Valley, including Sicily. 

Comment

 Arnold, 2002, Rept. Amph. Eur., Ed. 2: 94, provided a brief account, figure, and map (as Rana bergeri). The hybridogen now called Pelophylax kl. hispanicus was noted by Uzzell and Hotz, 1979, Mitt. Zool. Mus. Berlin, 55: 15, as a distinct hybridogenetic population. Hispanicus was removed from the synonymy of Pelophylax perezi by Dubois and Ohler, 1996 "1994", Zool. Polon., 39: 157, where it had been placed by XXX. While noting that it may still be found to be a junior synonym of Rana lessonae, Dubois and Ohler attached the name Rana hispanica to the hybridogenetic population formerly known as the "southern hybrid" by Uzzell and Hotz, 1979, Mitt. Zool. Mus. Berlin, 55: 15. Records for this species from Corsica are based on specimens of Rana bergeri (J. Speybroeck, personal commun.). Crochet and Dubois, 2004, In Gasc et al. (eds)., Atlas Amph. Rept. Europe, Ed. 2: 499, discussed the recent literature of this species and suggested the bergeri be treated as a subspecies of Pelophylax lessonae and this seems to have enjoyed widespread acceptance in Europe (and is accepted here) although it requires application of the reproductive species concept rather than a lineage-based one. See discussion of this species and the hybridogenetic system Pelophylax kl. hispanicus in Italy by Capula, Sacchi, and Razzetti, 2007, in Lanza et al. (eds.), Fauna d'Italia, 42 (Amph.): 381-386. Canestrelli and Nascetti, 2008, J. Biogeograph., 35: 1923–1936, reported on phylogeography in the Italian peninsula and Sicily and regarded this lineage as a subspecies of Pelophylax lessonae. See Dufresnes, 2019, Amph. Eur., N. Afr., & Middle East: 101, for brief summary of identifying morphology and biology, a range map, as well as a photograph. On p. 101, he provided an account of the hybridogenetic associate Pelophylax kl. esculentus (Pelophylax lessonae x Pelophylax ridibundus)  

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