DISTRIBUTION AND MORPHOLOGICAL VARIABILITY ОF THE STEPPE-RUNNER EREMIAS ARGUTA (PALLAS, 1773)
IN THE CENTRAL BLACK-EARTH REGION 

Goncharov Aleksandr Gennad'evich, Candidate of biological sciences, senior lecturer, sub-department of wildlife management and land management, Tambov State University named after G. R. Derzhavin (33 Internatsionalnaya street, Tambov, Russia), E-mail: al-gon4arow@yandex.ru 

598.112.23 

DOI

10.21685/2307-9150-2019-2-4 

Background. The Central Black-Earth region is an extensive territory with various physiographic conditions where the distribution and morphology of the stepperunner are studied rather incompletely. And in particular, when carrying out this research our goal was to specify the habitat of the steppe-runner within the Central Black-Earth region and to study the features of external morphology of this species.
Materials and methods. The research was conducted during field seasons of 2007–2017 in the territory of two regions of the Central Black-Earth region – Belgorod region and Voronezh region. For studying of external morphological features 28 individuals of the steppe-runner from two localities of Voronezh region were used. In the analysis of variability of proportions of a body and a pholidosis 17 signs were considered. The statistical analysis was carried out by means of the Statistica 10.0 program.
Results and conclusions. As a result of the conducted research it has been established that the distribution of the steppe-runner within the Central Black-Earth region coincides with sands of pine-forest terraces of the rivers. The northern border of the species’ habitat in the explored territory passes across Belgorod and Voronezh regions between 50 and 52° n.l. In the analysis of the quantitative and qualitative signs of the steppe-runner was found out that males authentically differ from females in the tail length and the body-tail length ratio. When comparing with east and southern populations, the steppe-runners studied by us have rather smaller sizes of the tail and a smaller number of femoral pores. 

Key words

steppe-runner, distribution, morphometric characteristic, pholidosis, Belgorod region, Voronezh region, Central Black-Earth region, Eremias arguta 

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