Izvestiya of Saratov University.
ISSN 1816-9775 (Print)
ISSN 2541-8971 (Online)


Zoogeographical Analysis of Araneophauna of Steppous Plots of the Ulyanovsk Region with Data on Area Expansing of Several Species

Areal types are analyzed for spiders of stepped plots of the Ulyanovsk Region. Most of them belong to the Palaearctic ones (229 species). Trans-palaearctic (63 species), western-centralpalaearctic (50) and west palaearctic (40) areas are dominant. European eras are dominant among European-Siberian type, and west-central-Mediterranean dominate among the Mediterranean type.