Alopoglossus atriventris Duellman, 1973

Camper, Jeffrey D., Torres-Carvajal, Omar, Ron, Santiago R., Nilsson, Jonas, Arteaga, Alejandro, Knowles, Travis W. & Arbogast, Brian S., 2021, Amphibians and reptiles of Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador, Check List 17 (3), pp. 729-751 : 738-739

Alopoglossus atriventris Duellman, 1973

Material examined. ECUADOR • 1 adult; Napo Prov- ince, WWS, waterfall; 00.6859°S, 077.5986°W; 1405 m a.s.l.; 11 July 2010; QCAZ 10638 • 1 adult; Napo Prov- ince, WWS, Piha Trail; 00.6897°S, 077.5979°W; 1312 m a.s.l.; 19 July 2010; QCAZ 10647 • 1 adult; Napo Prov- ince, WWS, Antpitta Trail near WBS; 13 July 2013; QCAZ 11995 • 1 adult; Napo Province, WWS, F.A.C.E. Trail; 23 July 2014; QCAZ 12801 .

Identification. These small lizards are medium brown with dark brown along the flanks and sides of the head and a pale stripe from the corner of the mouth to the hindlimb insertion. Males have a dark venter. The gu- lar scales are not in rows, and there are small tuberculate scales on the side of the neck. The dorsal and flank scales are strongly keeled, rhomboid, and mucronate. The ven- trals and gulars are strongly keeled, and the preanal and femoral pores are in continuous rows.

Habitat. These small, diurnal lizards were found in both primary and secondary forest around the bases of trees or under debris such as fallen bromeliads.

Family,species Voucher number Alopoglossidae

Alopoglossus atriventris Duellman,1973 QCAZ 10638

Alopoglossus buckleyi (O’Shaughnessy,1881) QCAZ 10649

Ptychoglossus brevifrontalis Boulenger,1912 QCAZ 10640 Amphisbaenidae

Amphisbaenia bassleri (Vanzolini,2002) Photo only Dactyloidae

Anolis fuscoauratus d’Orbigny,1837 QCAZ 5066 Gymnophthalmidae

Anadia petersi Oftedal,1974 † QCAZ 5068

Gelanesaurus cochranae (Burt & Burt,1931) QCAZ 10642

Gelanesaurus flavogularis Altamirano-Benavides et al.,2013 QCAZ 10650

Potamites ecpleopus (Cope,1876) QCAZ 11994

Potamites strangulatus (Cope,1868) MZ UTI 3524 Hoplocercidae

Enyalioides microlepis (O’Shaughnessy,1881) QCAZ 14834

Enyalioides praestabilis (O’Shaughnessy,1881) QCAZ 12800 Sphaerodactylidae

Lepidoblepharis festae (Peracca,1897) QCAZ 10641

Boidae

Epicrates cenchria (Linnaeus,1758) QCAZ 12807 Colubridae

Chironius exoletus (Linnaeus,1758) QCAZ 10644

Chironius scurrulus (Wagler,1824) QCAZ 10648

Drymoluber dichrous (Peters,1863) No voucher Dipasdidae

Atractus major Boulenger,1894 QCAZ 5071

Atractus orcesi (Savage,1955) QCAZ 10633

Clelia clelia (Daudin,1803) QCAZ 17123 † Provincial record.

§ Elevational record.

Alopoglossus buckleyi (O’Shaughnessy, 1881) Material examined. ECUADOR • 1 adult; Napo Prov- ince, WWS; 00.6774°S, 077.6013°W; 1465 m a.s.l.; 21 July 2010; QCAZ 10649 • 1 adult; Napo Province, WWS, Lanisoma Trail; 00.6827°S, 077.5943°W; 26 July 2010; QCAZ 10653 • 1 adult; Napo Province, WWS, 50 m upslope of waterfall; 00.6855°S, 077.5993°W; 1450 m a.s.l.; 28 July 2010; QCAZ 10654 • 1 adult; Napo Prov- ince, WWS, F.A.C.E. Trail; 21 July 2012; QCAZ 5067 .

Identification. This species can be distinguished from A. atriventris by having smooth ventral scales. The gu- lars are not in rows, and the lateral neck scales are small, tuberculate, and almost in transverse rows. The flank scales are almost hexagonal, strongly keeled, and mucro- nate. The gulars are smooth to slightly keeled.

Habitat. This species was found in both primary and secondary forest in leaf litter or under debris during daylight.