Feihyla hansenae (Cochran, 1927)

Class: Amphibia > Order: Anura > Family: Rhacophoridae > Subfamily: Rhacophorinae > Genus: Feihyla > Species: Feihyla hansenae

Philautus hansenae Cochran, 1927, Proc. Biol. Soc. Washington, 40: 181. Holotype: USNM 70109, by original designation. Type locality: "Nong Khor, southeastern Siam".

Rhacophorus (Chirixalus) hansenae — Ahl, 1931, Das Tierreich, 55: 56, 103.

Chirixalus hansenae — Bourret, 1942, Batr. Indochine: 475; Inger, 1985, in Frost (ed.), Amph. Species World: 538.

Chiromantis hansenae — 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: 367.

Rohanixalus hansenae — Biju, Garg, Gokulakrishnan, Sivaperuman, Thammachoti, Ren, Gopika, Bisht, Hamidy, and Shouche, 2020, Zootaxa, 4878: 29. 

Feihyla hansenae — Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 427.

Common Names

Hansen's Bubble-nest Frog (Biju, Garg, Gokulakrishnan, Sivaperuman, Thammachoti, Ren, Gopika, Bisht, Hamidy, and Shouche, 2020, Zootaxa, 4878: 39).

Hansen's Asian Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 111).

Chon Buri Pigmy Tree Frog (Nutphund, 2001, Amph. Thailand: 154).

Hansen's Bushfrog (Chan-ard, 2003, Photograph. Guide Amph. Thailand: 144).

Eastern Bush Frog ( Niyomwan, Srisom, and Pawangkhanant, 2019, Field Guide Amph. Thailand: 394).

Distribution

Provisional: East-central and southeastern into peninsular Thailand (see comment); northern Laos Lowlands in Vientiane Capital (190 m); presumably throughout Laos Lowlands based on known range in adjacent eastern Thailand; in adjacent Cambodia and possibly into southeastern and peninsular Myanmar; possibly into China, Myanmar, and Vietnam (see comment); doubtfully reported from Sylhet Division, northeastern Bangladesh (see comment).

Geographic Occurrence

Natural Resident: Cambodia, Laos, Thailand

Likely/Controversially Present: Bangladesh, China, People's Republic of, Myanmar

Comment

See accounts by Bourret, 1942, Batr. Indochine: 475–476, and (as Philautus hansenae) by Taylor, 1962, Univ. Kansas Sci. Bull., 43: 526–529. Nutphund, 2001, Amph. Thailand: 154, provided a brief characterization and photograph, which Ohler, 2003, Alytes, 21: 101, attributed to Hyla annectans. Chan-ard, 2003, Photograph. Guide Amph. Thailand: 144–145, provided a very brief account, map for Thailand, and photograph. Stuart and Emmett, 2006, Fieldiana, Zool., N.S., 109: 11, suggested that Chirixalus hansenae may be a junior synonym of Chirixalus vittatus. Chan-ard, Cota, and Makchai, 2011, Amph. E. Region Thailand: 137, detailed the range, as then understood, in Thailand; on pp. 78–79, provided a photograph and brief account for eastern Thailand. Aowphol, Rujirawan, Taksintum, Arsirapot, and McLeod, 2013, Zootaxa, 3702: 101–123, reported Genbank DQ28313, previously identified as Chiromantis vittatus, to align with Chiromantis hansenae, but did not examine the voucher specimen. These authors also suggested on molecular grounds that nominal Chiromantis hansenae is composed of two lineages from central, eastern, and peninsular Thailand (the nominate form) and montane forests of northwestern Thailand (an unnamed species). These author also found this species to be the sister taxon of Chiromantis vittatus, recently transferred to Feihyla. Yodthong, Siler, Prasankok, and Aowphol, 2014, Asian Herpetol. Res., 5: 179–196, suggested on the basis of molecular evidence that nominal Chiromantis hansenae is composed of two lineages, one in northeastern, eastern and southern Thailand and the other from northwestern and western Thailand. Niyomwan, Srisom, and Pawangkhanant, 2019, Field Guide Amph. Thailand: 394–395, provided a brief account (description, photographs, habitat, and range) for Thailand (in Thai). See comments by Hakim, Trageser, Ghose, Das, Rashid, and Rahman, 2020, Check List, 16: 1239–1268, who reported the species from Lawachara National Park, Sylhet Division, northeastern Bangladesh, although given the recent revision, this is now doubtful (DRF). See account by Biju, Garg, Gokulakrishnan, Sivaperuman, Thammachoti, Ren, Gopika, Bisht, Hamidy, and Shouche, 2020, Zootaxa, 4878: 39–40. Poyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 61, suggested that records of Rhacophorus bipunctatus from Thailand, Laos, Cambodia, and Vietnam seem to refer to this species and also suggested that the range extend into China, but did not reference relevant data, literature, or vouchers to support this conjecture. Zug, 2022, Smithson. Contrib. Zool., 653: 45, briefly discussed identification, habitat, and range in Myanmar. Stuart, Seateun, Sivongxay, and Phimmachak, 2025 "2024", in Wildlife Lao PDR: 46, summarized (as Rohanixalus hansenae) literature, taxonomy, habitat, and detailed range for Laos.

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