Rhacophorus orlovi Ziegler and Köhler, 2001

Class: Amphibia > Order: Anura > Family: Rhacophoridae > Subfamily: Rhacophorinae > Genus: Rhacophorus > Species: Rhacophorus orlovi

Rhacophorus (Leptomantis) orlovi Ziegler and Köhler, 2001, Sauria, Berlin, 23: 38. Holotype: ZFMK 71368, by original designation. Type locality: "Tieflandfeuchtwald-Schutz-gebiet Ky Anh-Ke go (Umgebung N 18° 01′, O 106° 04′), ca. 350 m NN, Provinz Ha Tinh, sudliches Nord-Vietnam". See comment. 

Nomina inquirenda - Name(s) unassigned to a living or extinct population

 Nguyen, Hoang, Jiang, Orlov, Ninh, Nguyen, Nguyen, and Ziegler, 2021, Russ. J. Herpetol., 28: 355–368

English Names

Orlov's Treefrog (Chan-ard, 2003, Photograph. Guide Amph. Thailand: 156).

Orlov Frog (Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 40).

Distribution

Lowland wet forests of Bac Kan, Gai Lai, Cao Bang, Nghe An, Lao Cai, Kon Tum, Ningh Binh, Ha Tinh, Quang Nam, Son La, Tuyen Quang, and Quang Binh provinces, Vietnam, into adjacent Laos (Khammouan Province); into southern Yunnan (Guiliang Village, Laofanzhai Township, Hekou County, Honghe Prefecture, Yunnan Province, China, 750 m elevation), and likely into northeastern Cambodia (see comment). 

Comment

Most closely related to Rhacophorus bimaculatus and Rhacophorus cyanopunctatus according to the original publication; this rejected by Jiang, Jiang, Ren, Wu, and Li, 2019, Asian Herpetol. Res., 10: 6, who placed those species in Leptomantis and Rhacophorus orlovi squarely in Rhacophorus. Ziegler, Herrmann, and Köhler, 2002, Herpetol. Rev., 33: 146, discussed records in Vietnam. See comment regarding Leptomantis under RhacophorusNguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 40, provided specific localities for Vietnam and (p. 150) a photograph. Stuart, 2005, Herpetol. Rev., 36: 478, reported a collection from Khammouan Province, Laos. Stuart, 2005, Herpetol. Rev., 36: 334–335, provided a record for Gia Lai Province, Vietnam, and briefly discussed the range. Bain, Nguyen, and Doan, 2007, Herpetol. Rev., 38: 112, provided records for Nghe An, Lao Cai, and Thue Thien-Hue provinces, Vietnam, and briefly discussed the range. Orlov, Nguyen, and Ho, 2008, Russ. J. Herpetol., 15: 67–84, provided a photograph and a key to differentiate this species from others in Vietnam. Wildenhues, Bagaturov, Schmitz, Tran, Hendrix, and Ziegler, 2011, Zool. Garten, 80: 287–303, reported on larval morphology color pattern variation, and advertisement call. Pham, Nguyen, Ziegler, and Nguyen, 2017, Herpetol. Notes, 10: 379–381, provided records for Son La Province, Vietnam, with notes on morphology and ecology. Thongproh, Sumontha, Chuaynkern, Chuaynkern, Ratree, Duengkae, Phetcharat, Maiprom, and Ungprombundith, 2018, Maejo Internatl. J. Sci. Technol., Sansai Thailand, 12: 36–50, noted that records of Rhacophorus orlovi from Thailand are referable to Rhacophorus jarujiniLe, Nguyen, Pham, Nguyen, Phan, Dang, and Ziegler, 2021, Herpetol. Notes, 14: 317–324, reported the species from Quang Nam Province, central Vietnam, and described its morphology and coloration. Le, Luong, Pham, Phan, Nguyen, Ziegler, and Nguyen, 2021, Bonn Zool. Bull., 70: 201–219, provided descriptive and natural history notes and a record from Tuyen Quang Province, Vietnam. Reported from China by Poyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 61, without reference to specific localities or voucher specimens. Nguyen, Hoang, Jiang, Orlov, Ninh, Nguyen, Nguyen, and Ziegler, 2021, Russ. J. Herpetol., 28: 355–368, provided a record from Oac-Phia Den National Park, Cao Bang Province, Vietnam. Luong, Do, Hoang, Phan, Nguyen, and Pham, 2022, Biodiversity Data J., 10(e75595): 19–21, provided a record, photograph, and description of a specimen from Bac Kan Province, Vietnam. Liu, Hou, Fan, Mo, and Rao, 2022, Herpetozoa, Wien, 35: 199–208, mapped and provided genetically confirmed records from Hekou County, Honghe Prefecture, southern Yunnan, China. 

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