Саратовская область

New Data on the Fauna of Myrmecophilous Beetles (Coleoptera) in the Nests of Ants Formica rufa Linnaeus, 1761 (Hymenoptera) for Territory of Saratov Province

Authors: Sazhnev A. S., Riga E. Y., Zabaluev I. A.

The aim of this article is to investigate the species composition, ecological characteristics and myrmecophily Coleoptera dominant structure in nests of ants of the species Formica rufa Linnaeus, 1761 in the territory of the Saratov region. The studies were conducted mainly in the natural Park of Kumis Polyana (Saratov) and the National Park “Khvalynskiy”. To collect material were determined using standard soil methods of Zoology: screening of the substrate from the nests of ants and laboratory analysis of selected samples.

New Floristic Finds in the Saratov Region

Authors: Bulany Y. I.

Provides information about finding new species of flora of the Saratov region Hibiscus triynum and Thesium moesiacum, and clarifies the distribution of rare in the Saratov region Sonchus palustris and Conringia orientalis.

To the Question of Distribution of the Lemnaceaes’ Species and Communities with Their Participation in the Saratov Region

Authors: Arkhipova E. A., Sedova O. V., Boldyrev V. A., Kozyreva E. A.

The article presents the materials of the distribution of five species of the Lemnaceae in the Saratov region on the basis of materials of herbarium SSU (SARAT) and authors’ field notes.

Ecological-faunistic Characteristic of the Nidicolous Beetles (Insecta: Coleoptera) of National Park «Khvalinsky» (Saratov Province)

Authors: Sazhnev A. S., Khalilov E. S., Anikin V. V.

The article contains information about taxonomic and ecological structure of nidicolous beetles of national park «Khvalinsky» (Saratov Province). The aspects of nidicolous fauna degradation associated with leaving marmots their burrows were traced. Revealed a clear separation of spring and summer faunas of burrowing insect communities.

New Information about Rare Plants Halophytes Species of Saratov Region. Materials to the Third Edition of the Regional Red Book

Authors: Davidenko O. N., Grebenyuk S. I., Nevskiy S. A.

In this article the information extending the submission about dissemination of the Saratov region several protected halophytes plants species is provided. New data about the number of cenopopulations some species of saline soils and communities with their participation is considered. Two new plants species are recommended for inclusion in the third edition of the Saratov region Red Book.

Rare Halophytes Plants Communities of the Saratov Region. Message 1. Vegetation of Brackish Water and Hydromorphic Solonchaks

Authors: Davidenko O. N., Nevskiy S. A., Lysenko T. M., Grebenyuk S. I.

This article is devoted to description rare halophytes plants communities of Saratov region, growing in brackish water and in hydromorphic solonchaks. Each community is assessed on a number of grounds, reflecting its composition, structure, functional status, the presence of rare species of plants, the degree and type of rarity. All сcommunities are recommended for protection at the regional level. The basis for the monitoring of their condition is provided. Information about the regional rare galophytic communities are provided for the first time.

New Data on Distribution of Some Protected Species of Plants Saratov Region

Authors: Arkhipova E. A., Volkov Y. V.

The paper presents new data on the distribution of 22 species listed in the Red Book of the Saratov region (2006).

Biological Properties of Bacteria – Assiociants Schizaphis graminum Rondani, 1852

Authors: Makarov N. O., Glinskaya E. V., Verkhovsky R. A., Abalymov A. A.

The biological features of associative microorganisms Schizaphis graminum in the Saratov Region were studied. 3 species of bacteria from genera Bacillus were isolated. 100% of the species are able to use glucose and xylose; 66,7% – saccharose and mannitol. Alkaline pH is preferred 100% of the isolates. Bacillus clausii, B. oleronius and B. soli have nitrogenase activity and are able to utilize nitrate

New Data about Syntaxonomic Diversity of Halophytic Vegetation in the Saratov Region

Authors: Davidenko O. N.

In this article the new halophytic vegetation associations from the territory of far Saratov left Volga bank regions are characterizing. The information about vegetation composition, structure and rare plants species is provided. The recommendations for conservation all new vegetation communities in the new integrated natural monuments of the region are given.

Biological Properties of Bacteria – Assiociants Aphis Pomi Degeer, 1773

Authors: Glinskaya E. V., Anikin V. V., Verkhovsky R. A.

The biological features of associative microorganisms Aphis pomi in the Saratov Region were studied. 12 species of bacteria from 2 genera were isolated. 94.2% of the species are able to use glucose; 76.5% – saccharose. Alkaline pH is preferred 100% of the isolates. Bacillus funiculus, B. clausii, B. oleronius, B. soli have pectinase activity, 83% of the species have the enzyme nitrogenase, 58% of species are capable to recove cellulose.

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