coloration

Filling gaps in the taxonomy of the Phrynocephalus helioscopus species complex (Reptilia, Squamata, Agamidae) with description of two new subspecies

Authors: Solovyeva E. N., Dunayev E. A., Nazarov R. A., Abduraupov T. V., Poyarkov N. A.

Phrynocephalus helioscopus species complex have been thoroughly studied during recent years, but several lineages remained unassigned. Based on the morphological differences and divergence in COI (mtDNA) gene sequences, two new subspecies are described in the present article within the Phrynocephalus helioscopus species complex: Ph. helioscopus karatauensis ssp. nov. from the environs of Karatau Ridge in Kazakhstan and Ph. saidalievi orlovae ssp. nov.

Morphological characteristics of Elaphe dione (Pallas, 1773) (Reptilia: Colubridae) on the North of the range in the Samara region

Authors: Klenina A. A., Kuznetsova E. V.

A detailed morphological description of the Elaphe dione (Pallas, 1773) in the Samara region is given. In wild-caught adult specimens that were not in a state of molting (n = 119), three variants of belly coloration were identified: beige (47.0%), ginger (26.9%), and gray (26.1%). Among individuals with beige and ginger bellies predominated males (67.9% and 59.4%, respectively), and females with gray bellies predominated (54.8%). The first case of partial melanism in the region was registered. The maximum L.corp.

Morphological characteristics of Coronella austriaca Laurenti, 1768 (Colubridae, Reptilia) in the Samara region

Authors: Klenina A. A.

The morphological characteristics of Coronella austriaca Laurenti, 1768 in the Samara region are presented. The proportion of melanists in the total sample (n = 147) was 2.04%. In wild-caught individuals of different ages and in calves obtained under laboratory conditions which were not in a state of molting, five variants of belly coloration (n = 140) were recorded, namely: black (17.1%), gray (5.0%), brown (17.9%), beige (2.9 %), and orange (57.1%).