Hyla hallowellii Thompson, 1912

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Hyla > Species: Hyla hallowellii

Hyla hallowellii Thompson, 1912, Herpetol. Notices, 2: 2. (June 28, 1912) Holotype: CAS 23808, by original designation. Type locality: "Kikaigashima, Loo Choo [= Ryukyu] Islands, Japan".

Hyla hallowelli Van Denburgh, 1912, Adv. Diagn. New Rept. Amph. Loo Choo Is. Formosa: 3. (July 29, 1912) Holotype: CAS 23806, by original designation. Type locality: "Kikaigo shima, Loo Choo Islands, Japan". Synonymy by Barbour, 1917, Occas. Pap. Mus. Zool. Univ. Michigan, 44: 1.

Hyla hallowelli hallowelliInger, 1947, Fieldiana, Zool., 32: 322.

Hyla hallowelli schmidti Inger, 1947, Fieldiana, Zool., 32: 322. Holotype: CAS 23852, by original designation. Type locality: "Naze, Amami[shima]", Ryukyu Islands, Japan. Distinctiveness doubted by Maeda and Matsui, 1990, Frogs Toads Japan, Ed. 2: 43.

Hyla (Dryophrytes) hallowelli — Fouquette and Dubois, 2014, Checklist N.A. Amph. Rept.: 331, by implication. 

English Names

Hallowell's Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 55).

Hallowell's Tree Frog (Goris and Maeda, 2004, Guide Amph. Rept. Japan: 56).


Ryukyu Archipelago (Kikaijima, Amamioshima, Kakeromajima, Yorojima, Ukejima, Tokunoshima, Yoronjima and Okinawajima), Japan.


In the Hyla arborea group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 101-102 (see comment under Hyla); more likely in the Hyla eximia group in the sense of Kuramoto, 1980, Copeia, 1980: 100-108. For discussion see Nakamura and Ueno, 1963, Japan. Rept. Amph. Color: 35, and Okada, 1931, Tailless Batr. Japan. Empire: 67-70. See also Matsui and Matsui, 1982, Japan. J. Herpetol., 9: 79-86 (for range extension), and Nishioka, Sumida, and Borkin, 1990, Sci. Rep. Lab. Amph. Biol. Hiroshima Univ., 10: 93-124. Maeda and Matsui, 1990, Frogs Toads Japan, Ed. 2: 40-43, provided an account. Goris and Maeda, 2004, Guide Amph. Rept. Japan: 56-58, provided an account, map, and photograph. Kuraishi, Matsui, Ota, and Eto, 2021, Zool. Sci., Tokyo, 38: 112–121, reported on inter-island divergence in morphology, karyotype, allozyme, and mtDNA. 

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