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Adolfus mathewsensis GREENBAUM, DOWELL-BEER, HUGHES, WAGNER, ANDERSON, VILLANUEVA, MALONZA, KUSAMBA, ARISTOTE & BRANCH, 2018

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Higher TaxaLacertidae, Sauria, Lacertoidea, Squamata (lizards) 
Subspecies 
Common Names 
SynonymAdolfus mathewsensis GREENBAUM, DOWELL-BEER, HUGHES, WAGNER, ANDERSON, VILLANUEVA, MALONZA, KUSAMBA, ARISTOTE & BRANCH 2018 
DistributionEC Kenya (Mathews Range)

Type locality: 1376 m above sea level (1.251408N, 37.293328E), between Ng’eny forest and Kitich Camp, Mugur Base Camp, Mathews Range North, Samburu County, Rift Valley Province, Kenya  
Reproduction 
TypesHolotype: NMK L/3376/2, adult male, field No. PKM 0239, tissue No. PKM 0240) collected by P.K. Malonza on 10 June 2010.
Paratopotype. A subadult male (NMK L/3376/1, field No. PKM 0234) collected by P.K. Malonza on 10 June 2010. Paratypes.—An adult male and female, respectively (NMK L/3420/1–2) collected by P.K. Malonza in 2010, 1556 m above sea level (0.991948N, 37.35608E), Mt. Warges forest, Mathews Range, Samburu County, Rift Valley Province, Kenya; an adult male (NMK L/2859) collected by D.V. Wasonga in 2006, 1634 m above sea level (0.94738N, 37.35598E), Mt. Warges forest, Mathews Range, Samburu County, Rift Valley Province, Kenya. 
DiagnosisDiagnosis. Adolfus mathewsensis can be distinguished from all congeners by the following combination of characters: (1) medium body size (SVL 51.7–68.8 for adult males; 60.6 in one adult female); (2) 17–19 femoral pores on each side; (3) supraciliary granules 4 or 5; (4) 39–43 dorsal scale rows at midbody; (5) presence of granular scales beneath the collar; (6) 84–90 dorsal scales in a longitudinal row from occipital to posterior insertion of hind limb; (7) 29– 32 ventral scales counted longitudinally from posterior margin of collars to anterior margin of preanal scales; (8) vertebral scales that are about the same size as those on the flanks; (9) keeled dorsal and lateral scales; and (10) presence of a pale (tan, gray or light brown) middorsal region from occipital region to tail.

Comparisons. Unlike Adolfus africanus, the new species has 4 or 5 supraciliary granules (6–8), 17–19 femoral pores on each side (14–17), 39–43 dorsal scale rows at midbody (23–26), 84–90 dorsal scale numbers (42–53), 29–32 ventral scale numbers (22–24), 20–26 caudal scales at the 11th scale row (14–16), 20–22 caudal scales at the 15th scale rows (14–16), 17–22 subdigital lamellae on Finger 4 (16–18), 12–14 subdigital lamellae on Finger 5 (11 or 12), 17–19 subdigital lamellae on Toe 3 (15–17), 22–26 subdigital lamellae on Toe 4 (18–20), 15–17 subdigital lamellae on Toe 5 (13–15), vertebral scales that are about the same size as those on the flanks (vertebral scales distinctly larger than those on the flanks), and presence of a pale (tan, gray or light brown) middorsal stripe (absent; Wagner et al. 2014).
Unlike Adolfus alleni, the new species has 17–19 femoral pores on each side (11–13), 5 or 6 supraciliaries (3–5), 4–7 supratemporals (2 or 3), 56–69 anterior dorsal scale rows (25–55), 38–43 posterior dorsal scale rows (17–23), 39–43 dorsal scale rows at midbody (18–23), 84–90 dorsal scale numbers (45–55), 12–14 subdigital lamellae on Finger 2 (10 or 11), 17 or 18 subdigital lamellae on Finger 3 (12–15), 17– 22 subdigital lamellae on Finger 4 (14–16), 12–14 subdigital lamellae on Finger 5 (9 or 10), 13–15 subdigital lamellae on Toe 2 (9–11), 17–19 subdigital lamellae on Toe 3 (13–16), 22–26 subdigital lamellae on Toe 4 (17–20), 15–17 subdigital lamellae on Toe 5 (10–13), presence of supraciliary granules (absent), and presence of granules beneath the collar (absent; Wagner et al. 2014).
Unlike Adolfus masavaensis, the new species has 5 or 6 supraciliaries (3–5), 4–7 supratemporals (2 or 3), 56–69 anterior dorsal scale rows (23–49), 38–43 posterior dorsal scale rows (19–24), 39–43 dorsal scale rows at midbody (19– 23), 84–90 dorsal scale numbers (42–57), 12–14 subdigital lamellae on Finger 2 (8–12), 17 or 18 subdigital lamellae on Finger 3 (11–14), 17–22 subdigital lamellae on Finger 4 (11– 16), 12–14 subdigital lamellae on Finger 5 (8–10), 13–15 subdigital lamellae on Toe 2 (9–12), 17–19 subdigital lamellae on Toe 3 (12–16), 22–26 subdigital lamellae on Toe 4 (15–21), 15–17 subdigital lamellae on Toe 5 (10–15), presence of supraciliary granules (absent), and presence of granules beneath the collar (absent; Wagner et al. 2014).
Unlike Adolfus jacksoni, the new species has 84–90 dorsal scale numbers (90–106), and between conspecific males, fewer caudal scales at the 15th row (P 1⁄4 0.001; Table 4).
Unlike Adolfus kibonotensis, the new species has 84–90 dorsal scale numbers (70–83), and between conspecific males, more dorsal scale numbers (P 1⁄4 0.001) and number of vertebral scales at the middorsal region at midbody (P 1⁄4 0.001; Table 4). 
Comment 
EtymologyThe new name mathewsensis is an adjective meaning ‘‘from the Matthews Range,’’ where we discovered the new species. 
References
  • Greenbaum, Eli; Stephanie Dowell Beer, Daniel F. Hughes, Philipp Wagner, Christopher G. Anderson, Cesar O. Villanueva, Patrick K. Malonza, Chifundera Kusamba, Wandege M. Muninga, Mwenebatu M. Aristote, and William R. Branch 2018. Phylogeography of Jackson's Forest Lizard Adolfus jacksoni (Sauria: Lacertidae) Reveals Cryptic Diversity in the Highlands of East Africa. Herpetological Monographs 32 (1): 51-68 - get paper here
 
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