Alopoglossus bicolor ( Werner, 1916 )

Diago-Toro, María F., García-Cobos, Daniela, Brigante-Luna, Giovanni D. & Vásquez-Restrepo, Juan D., 2021, Fantastic lizards and where to find them: cis-Andean microteiids (Squamata: Alopoglossidae & Gymnophthalmidae) from the Colombian Orinoquia and Amazonia, Zootaxa 5067 (3), pp. 377-400 : 383

Alopoglossus bicolor ( Werner, 1916)

Distribution: Endemic to Colombia, along the upper Magdalena River Valley and the adjacent Cordillera Oriental, including its eastern foothill in the Meta department ( Harris 1994; Fig. 4A ).

Similar species: Alopoglossus bicolor can be easily distinguished from all other sympatric and similar species of the genus due to the lack of prefrontal scales (present in A. atriventris , A. avilapiresae , A. brevifrontalis , and A. buckleyi ). For a more detailed description see Harris (1994).

Remarks: Harris (1994) suggested that specimens from Portachuelo in the department of Meta may correspond to a hybrid population between " Ptychoglossus bicolor " (= A. bicolor ) and " Ptychoglossus nicefori " (= A. brevifrontalis ), which he called “ Ptychoglossus cf. bicolor ”. However, based on the morphological characters provided by Harris (1994), the specimen we examined from Portachuelo is in agreement with A. bicolor .

Figures

FIGURE 4. Distribution maps for the cis-Andean microteiid lizards in Colombia (Alopoglossidae + Gymnophthalmidae). Circles are examined specimens, while squares are records from literature (see Supplementary Files for specific references). Red arrows indicate new records for Colombia. Black arrows show a zoom in to regions where several records overlap. The light green shadow indicates the Orinoco River basin, and the dark green the Amazon River basin.