Cercosaura doanae ECHEVARRÍA, BARBOZA & VENEGAS, 2015
Can you confirm these amateur observations of Cercosaura doanae?
|Higher Taxa||Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)|
|Synonym||Cercosaura doanae ECHEVARRÍA, BARBOZA & VENEGAS 2015|
|Distribution||Peru (San Martin)|
Type locality: Laguna Negra (06°53’29.3’’S, 77°23’18.3’’W; WGS 84), 1,788 m, Mariscal Caceres Province, San Martin Department, Peru Map legend:
- Type locality.
|Types||Holotype: CORBIDI 00651, adult male, collected by P.J. Venegas and D. Vasquez on 3 February 2008.|
Paratypes (19): PERU: San Martin Department: Mar- iscal Caceres Province: from type locality CORBIDI 00649, 00656, 00658, 00659 adult females, CORBIDI 00650, 00652, 00660, 00662 juveniles, CORBIDI 00663, 00654, 00655, 00657, 00661 adult males, CORBIDI 00653 subadult female, collected between 2–4 February 2008, by P.J. Venegas and D. Vasquez; Añasco Pueblo (06°50’11.6’’S, 77°29’09.7’’W), 1,888 m, CORBIDI 00648 a juvenile collected on 2 February 2008 by P.J Venegas and D. Vasquez; Lajasbamba (06°44’48.4’’ S, 77°38’25.6’’ W), 1,814 m altitude, CORBIDI 15074 adult female, CORBIDI 15075 juvenile female, CORBIDI 15076 juvenile male, CORBIDI 15088 adult male col- lected between 25–28 October 2014 by L.Y. Echevarría and A.C. Barboza.
|Comment||Diagnosis: Cercosaura hypnoides from the Amazon slope of Colombia (Doan and Lamar 2012), C. manicata manicata from the Amazon slope of Ecuador and cen- tral Peru, and C. manicata boliviana Werner, 1899 from southern Peru and Bolivia (Uzzel 1973) are the most sim- ilar species to C. doanae by having the dorsum lighter than flanks and a light labial stripe. Nevertheless, Cerco- saura doanae can be distinguished from C. hypnoides by having 6–7 supralabials (5 in C. hypnoides), dorsal scales in transverse rows (transverse and oblique rows in C. hyp- noides), and 0–3 lateral scale rows (4–7 in C. hypnoides). The new species can be distinguished from C. manicata boliviana Werner 1899 (character state of C. manicata boliviana in parenthesis) by having a cream labial stripe beginning before the eye, on first or second supralabial, continuing along the ventrolateral region up to hind limb insertion (light labial stripe beginning under eye and end- ing before collar fold; Fig. 4, middle), two conspicuous widened collar scales at midline (three or four enlarged collar scales at midline; Fig. 5B), and three posterior cloa- cal plates in males and five in females (four in males and females). Furthermore, C. doanae differs from C. mani- cata manicata (character state of C. manicata manicata in parenthesis) by having subdigital lamellae on toes not tu- berculate (tuberculate for entire length of toes); and dor- sal surface of forelimbs dark brown (brown with a white broad line on brachium, antebrachium, and fingers I, II, III; Fig. 5C).|
Furthermore, Cercosaura doanae is easily distin- guished from C. argula, C. bassleri, C. eigenmanni, C. ocellata, C. oshaughnessyi, C. parkeri, C. quadrilineata, and C. schreibersii (Fig. 6) in having brown labials with a white stripe extending from the first or second supral- abial towards forelimb insertion. Cercosaura argula and C. oshaughnessyi have labials white or light cream, C. eigenmanni has brown labials with white broad vertical bars, C. bassleri and C. ocellata have creamy gray or gray labials with thin black vertical bars, C. parkeri has creamy gray or white labials with dark or faint brown ver- tical bars, C. quadrilineata and C. schreibersii have labi- als varying from creamy gray or dirty cream to white with dark flecks, spots or mottling. Additionally, C. doanae can be distinguished from C. argula by having an undivided frontonasal (divided in C. argula), two genials (three), single lamellae on fingers and toes (mostly divided), 32–36 transverse dorsal scale rows (38–45), 34–42 scales around midbody (27–35), and venter pale orange (white); from C. eigenmanni by having 34–42 scales around mid- body (26–32 in C. eigenmanni), and 9–12 femoral pores in males (6–7); from C. bassleri and C. ocellata by having hexagonal dorsal scales (quadrangular in C. bassleri and C. ocellata), scales on flanks slightly smaller than dorsals, keeled (scales on flanks distinctly smaller than dorsals, smooth or slightly keeled), lamellae on toes single (most- ly divided), 10–13 lamellae under fourth finger (14–18), and 15–18 lamellae under fourth toe (16–24); from C. os- haughnessyi by having a single frontonasal (divided in C. oshaughnessyi), 32–36 transverse dorsal scale rows (37– 52), scales on flanks slightly smaller than dorsals (scales on flanks distinctly smaller and sharply delimited from dorsals and ventrals), and venter orange (white); from C. parkeri by having 34–42 scales around midbody (24–30 in C. parkeri), 9–12 femoral pores in males (2–6), and lateral scales slightly smaller than dorsals (lateral scales similar in size to dorsals); from C. quadrilineata by having 6–8 longitudinal rows of ventral scales (four in C. quadrilineata), 16–19 transverse rows of ventral scales (21–23), and 9–12 femoral pores in males (eight); from C. schreibersii by having 16–19 transverse ventral scale rows (17–24 in C. schreibersii), and 9–12 femoral pores in males (3–5).
Cercosaura doanae can be distinguished from both C. nigroventris and C. phelpsorum by having subdigital lamellae on toes not tuberculate (tuberculate in C. nigro- ventris and C. phelpsorum) and by ventral coloration in preservative, having creamy tail (beige and dark brown in C. nigroventris and C. phelpsorum, respectively) (Doan 2003).
The new species differs from the poorly known Cerco- saura steyeri in having 6–8 longitudinal rows of ventral scales (four in C. steyeri), dorsal scales not mucronate (strongly mucronate), 34–42 scales around midbody (17), and 15–18 lamellae on Toe IV (14).
Pholidobolus hillisi and the former Cercosaura spe- cies, P. dicra and P. vertebralis (see Torres-Carvajal et al. 2015), are also very similar to C. doanae in having dorsum lighter than flanks, brown labials with a white or light cream labial stripe that extends towards the fore- limb insertion, and hexagonal and strongly keeled dorsal scales. However, the new species can be readily distin- guished from all these Pholidobolus species by lacking a light vertebral stripe, which in P. dicra bifurcates anteri- orly at midbody, and by having the loreal scale in contact with supralabials (in the aforementioned species of Pholi- dobolus the loreal scale is not in contact with supralabi- als). Additionally, it can be distinguished from P. hillisi (in parenthesis) by lacking a distinct diagonal white stripe on each side of the chin, extending from the fourth genial to the forelimb (present); from P. dicra (in parenthesis) by having three supraoculars (four); and from P. verte- bralis (in parenthesis) by having palpebral disc single or divided, usually into 2–3 scales (divided, into 5–8 scales).
|Etymology||The specific epithet is a noun in the genitive case and patronym for Tiffany Doan, in recognition of her contribution to the systematics of gymnophthalmid lizards (e.g., Doan 2003; Doan and Castoe 2005), and to the knowledge of the herpetofauna from southern Peru.|
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