Diploderma iadinum (WANG, JIANG, SILER & CHE, 2016)
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Diploderma iadinum
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| Higher Taxa | Agamidae (Draconinae), Sauria, Iguania, Squamata (lizards) |
| Subspecies | |
| Common Names | English: Emerald Mountain Dragon Chinese: Fei Cui Pan Xi; 翡翠龙蜥 |
| Synonym | Japalura iadina WANG, JIANG, SILER & CHE in WANG et al. 2016 Japalura flaviceps — ZHAO et al. 1999: 293-298 Japalura flaviceps — YANG & RAO 2008: 200-201; 8 Japalura flaviceps — XU & ZHANG 2011: 202-203 Japalura splendida — XU & ZHANG 2011: 202-203 Japalura cf. flaviceps — MANTHEY et al. 2012 Diploderma iadinum — WANG et al. 2018 |
| Distribution | China (NW Yunnan) Type locality: Lancang Valley at Ninong, Deqin, northwest Yunnan, China (28.370255° N, 98.865287° E, 2062 m elevation |
| Reproduction | |
| Types | Holotype: KIZ 019321, adult male, collected by Kai WANG on 27 May 2015. Allotopotype: KIZ 09398, adult female. Collected by Da-Hu ZOU. Specimen shares the same locality and collection infor- mation as the holotype. Paratopotypes: KIZ 09401-03, 019322, 019323, 019325-28, all adult males. Collected by Kai WANG, Ke JIANG, and Da-Hu ZOU. |
| Diagnosis | Diagnosis: Following Inger’s (1960) definition of the genus, the new species is assigned to Japalura based on a number of diagnostic characters, including: (1) dorsal scales unequal in size; (2) enlarged crest scales present; (3) gular pouch pre- sent; (4) lateral fold of skin in axilla–groin region present; (5) supraciliary scales greatly imbricate; (6) head relatively long, flat; (7) tail long, slender; (8) tail cylindrical in shape; and (9) precloacal and femoral pores absent. The new species differs from all congeners by a combination of the following morphological characters: (1) gular fold present; (2) distinct gular pouch present; (3) relative hind-limb length moderate HLL/SVL 69.6%-80.1%; (4) relative tail length moderate TAL/SVL 173%-198%; (5) F4S 15-17; (6) T4S 19-25; (7) MD 35-46; (8) three lateral rows of enlarged scales pre- sent on the dorsal surface of the body parallel to the dorsal crest; (9) nuchal and dorsal crests moderately raised on skin folds; (10) nuchal and dorsal crests relatively low and discon- tinuous in males; (11) dorsal and lateral surfaces of body emerald green in males, yellowish brown speckled with large, light yellow scales in females; (12) tail yellowish green in males, brownish in females; (13) ventral surface of body bluish or whitish gray, sometimes with black speckles, in males, uniform yellow in females; (14) two smooth-edged, light-green, dorso- lateral stripes present in males; (15) vermiculate stripes on ventral surface of head present, distinct, blackish blue in males, black in females; (16) gular region dark blue in males, yellow in females. |
| Comment | Abundance: only known from its original description and one other locality 17 km downstream of the Mekong River (Wang et al. 2019). |
| Etymology | The Latin name “iadina” means “emerald like, ” which describes the diagnostic emerald green body coloration of males of the new species. |
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