Cyrtodactylus mombergi GRISMER, WOOD, QUAH, THURA, HERR & LIN, 2019
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Cyrtodactylus mombergi
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| Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
| Subspecies | |
| Common Names | E: Indawgyi Bent-toed Gecko |
| Synonym | Cyrtodactylus mombergi GRISMER, WOOD, QUAH, THURA, HERR & LIN 2019 |
| Distribution | Myanmar (Kachin: Indawgyi Wildlife Sanctuary) Type locality: Yay Khan Kha stream east of Indawgyi Lake, Indawgyi Wildlife Sanctuary, Mohnyin Township, Kachin State, Myanmar (24.95694°N, 96.34690°E; 490 m in elevation). |
| Reproduction | |
| Types | Holotype. LSUHC 14734, Adult male, collected at 2100 h on 2 July 2018 by Evan S. H. Quah, Thura, M.K., Aung Ko Lin, Mark W. Herr, Perry L. Wood, Jr., Tun Tun Oo, Paw Lay, and L. Lee Grismer. Paratypes. Adult females LSUHC 14730, 14732–33 and adult male LSUHC 14731 bear the same collection data as the holotype. Adult females LSUHC 14656–57 collected at 2230 h on 30 June 2018 by Thura, M.K., Aung Ko Lin, Evan S. H. Quah, Mark W. Herr, Perry L. Wood, Jr., Tun Tun Oo, Paw Lay, and L. Lee Grismer from Nant Tae stream east of Indawgyi Lake, Indawgyi Wildlife Sanctuary, Mohnyin Township, Kachin State, Myanmar (24.98732°N, 96.32352°E; 292 m in elevation). LSUHC 14698 collected during the evening by Mark W. Herr, Thura, M.K., Aung Ko Lin, Evan S. H. Quah, Perry L. Wood, Jr., Tun Tun Oo, Paw Lay, and L. Lee Grismer on 1 July 2018 from Wai Lone stream east of Indawgyi Lake, Indawgyi Wildlife Sanctuary, Mohnyin Township, Kachin State, Myanmar (24.94813°N, 96.33678°E; 499 m in elevation). |
| Diagnosis | Diagnosis. Cyrtodactylus mombergi sp. nov. differs from all other named species in the C. gansi group by having a maximum SVL of 74.0 mm; distinctly raised and keeled dorsal tubercles that extend beyond the base of the hemipenial swellings; 35–42 paravertebral tubercles; granular gular scales with no interspersed tubercles; a distinct ventrolateral body fold; 31–39 ventral scales; 19–22 fourth toe subdigital lamellae; no enlarged femoral scales or pores; no precloacal groove in males; 10 or 11 precloacal pores in males, 0–9 small pores in females; no dark band on nape; wide zig-zagged dorsal bands with paravertebral elements, and no lightened centers; dorsal bands not edged posteriorly with white tubercles; no white scales in ventrolateral fold; top of head usually darkly speckled to mottled; and 8–10 light-colored and 8–10 dark caudal bands. These characters are scored across all species of the C. gansi group (Table 2 in Grismer et al. 2019). Comparisons (Table 2). Cyrtodactylus mombergi sp. nov. (including C. cf. mombergi sp. nov.) is most closely related to an undescribed species (sp. 2) from Miao, Arunachal Pradesh, India (Agarwal et al. 2014). Unfortunately, this population is only known from tissue samples and specimens are unavailable for comparison. Cyrtodactylus mombergi sp. nov. most closely resembles C. nagalandensis Agarwal, Mahony, Giri, Chaitanya, & Bauer—to which it is distantly related (Fig. 3)—but is more heavily tuberculated. Similarly, the tubercles are more developed than in C. gansi, C. jaintianensis, C. mandalayensis, C. myaliektaung, and C. tamaiensis (Smith). It differs from C. gansi in having fewer paravertebral tubercles (35–42 versus 53). It differs from C. chrysopylos Bauer, and C. aunglini Grismer, Wood, Thura, Win, Grismer, Trueblood, & Quah, and C. myaliektaung by having fewer ventral scales (31–39 versus 39–55, 47–49, and 57, respectively) and from C. montanus in having fewer ventral scales (31–39 versus 36–42). It differs from C. tamaiensis in lacking, as opposed to having, femoral pores. It differs from C. gansi in lacking, as opposed to having, a precloacal groove in males, having 9–11 versus 16–29 precloacal pores in males, and not having, as opposed to having, a strongly angled precloacal pore series. Cyrtodactylus mombergi sp. nov. differs from C. brevidactylus, C. jaintianensis, and C. myaliektaung in having broken, zig-zagged dorsal bands as opposed to having a dark reticulated dorsal pattern or unbroken dorsal bands, respectively. Other characters separating C. mombergi sp. nov. form other combinations of species are presented in Table 2 in Grismer et al. 2019. |
| Comment | Habitat: Cyrtodactylus mombergi appears to be a nocturnal, scansorial, habitat generalist. All specimens were found in riverine evergreen forest in a wide variety of microhabitats including bamboo leaf-litter; rocky stream banks; on the vertical faces of granite boulders as high as 1.5 m above the ground; and on thin branches, tree limbs, and leaves of forest vegetation. |
| Etymology | This species is named in honor of Mr. Frank Momberg who was part of the initial field surveys of the Indawgyi region by FFI in January of 2010 that identified the watershed forests as important for the conservation of the Eastern Hoolock Gibbon (Hoolock leuconedys [Groves]). Mr. Momberg subsequently lead FFI’s efforts to conserve Indawgyi Lake and its watershed forests which resulted in the site being recognized as a Ramsar wetland of global importance in February of 2016 and a Man and Biosphere Reserve in June of 2017. Mr. Momberg continues to assist FFI in supporting the Man and Biosphere Reserve management board to assist local communities in addressing issues that threaten the natural values of the lake and surrounding forests in an effort to help them develop sustainable livelihoods. Additionally, Mr. Momberg has been unwavering in his support of our herpetological surveys throughout Myanmar. |
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