Саратовская область

Еcological Complexes of Beetles (Insecta: Coleoptera) Coastal Area of Floodplain Lakes of Medveditsa River (Saratov Area)

Authors: Anikin V. V., Nazimova A. A., Sazhnev A. S.

The article contains the results of the coastal beetles research (floodplain lakes of Medveditsa river Lysogorsky district Saratov region). There is also a brief description of the investigated biotope. List of 68 species of beetles is presented. The representatives of investigated set of beetles are divided into ecological groups, humid gradient and food chains.

Species Composition of Beetles (Insecta: Coleoptera) Border Area «Wate – Land» of Medveditsa River Lysogorsky District (Saratov Area)

Authors: Sazhnev A. S.

The article contains the results of the coastal beetles research (Medveditsa river Lysogorsky district Saratov region). There is also a brief description of the investigated biotope. List of 19 faunal species of beetles, that contains 9 species and one family, which are specified as new to the fauna of the Saratov Area, is presented. The representatives of investigated set of beetles are divided into ecological groups.

Biological Properties of Bacteria-assiociants (Myzus cerasi F., 1775) (Insecta: Homoptera, Aphididae)Biological Properties of Bacteria-assiociants (Myzus cerasi F., 1775) (Insecta: Homoptera, Aphididae)

Authors: Glinskaya E. V., Malyshina M. S., Peterson A. М.

The biological properties of bacteria-assiociants Myzus cerasi F. in territory of the Saratov region weree studied. 39 strains of bacteria were revealed. 66.6% of the strains were able to use glucose, 87.0% – fixed molecular nitrogen, 56.3% – had the ability to grow at 10 °C, 92.1% of the isolated cultures were alkalotolerant and grown at pH10. 

Dynamics of the demographic structure and variability of some morphological parameters of Calophaca wolgarica (Fabaceae) during reintroduction to the Saratov region

Authors: Denisov A. A., Parhomenko A. S., Shilova I. V., Grebenyuk L. V., Kashin A. S.

Preliminary results of studies on the reintroduction of Calophaca wolgarica to the territory of the Saratov region are presented. In the period from 2018 to 2020, the age structure of artificial plantings and changes in the morphological parameters of individuals within them were studied. It is shown that on the territory of the Saratov region, artificial plantings of this species are best located near the protected area “Tulip Steppe near the village of Maksyutovo”.

Morphological variability and state of Delphinium pubiflorum (Ranunculaceae) populations in the Saratov region

Authors: Bogoslov A. V., Kashin A. S., Shilova I. V., Parhomenko A. S., Grebenyuk L. V.

 The article presents the results of studying the morphological state of three populations of Delphinium pubiflorum on the basis of quantitative traits measured over four years during the period of mass flowering of plants. The greatest difference in quantitative characteristics was shown by the populations from the Krasnoarmeisky and Tatishchevsky districts of the Saratov region.

The New Experience Use of Malaise Trap for the Study of the Beetles Fauna (Insecta: Coleoptera) of National Park «Khvalynsky» (Saratov Oblast)

Authors: Sazhnev A. S., Anikin V. V.

The article describes the new experience of the long-term use of the Malaise trap (tent trap) for the season 2018–2019 on the territory of the National Park «Khvalynsky» (Saratov province). During this period, 44 species of beetles belonging to 19 families were recorded 6 species: Leiodes obesa (Schmidt, 1841), Philonthus concinnus (Gravenhorst, 1802), Mordellistena humeralis (Linnaeus, 1758), M. intersecta Emery, 1876, M. purpureonigrans Ermisch, 1963 and Scraptia fuscula P. W. J. Müller, 1821 were recorded in the fauna of Saratov oblast for the first time.

The Additional Data about Spring Beetles Fauna (Insecta: Coleoptera) of the Natural Monument «Rasskazan’ Lake» (Saratov Province)

Authors: Sazhnev A. S., Volodchenko A. N., Lavrentiev M. V., Trushnov D. A.

The present work is a continuation of the inventory of the coleopterofauna of the water-terrestrial ecotones of the nature monument «Rasskazan’ Lake» Balashov district of Saratov province, which began in 2017. The study concerned the spring fauna of the period of occurrence of the Khoper river in low water after floods and the beginning of the stagnation of the lake water level. In total, 137 species from 18 families were noted for the studied biotopes, of which 41 species were new, with – 7 species appearing for the first time for the territory of the Saratov province.

Informational and Technical Support of Needing Protection Saratov Region Plant Communities Inventory

Authors: Davidenko O. N., Nevskiy S. A., Davidenko T. N.

Inventory needing protection plant communities is one of the directions of modern phytocenosical and ecologocal research. The Экология 365 information-technology support play the important role. This article provides information about the structure of electronic database “Needing protection plant communities of the Saratov region”.

The Preliminary Ecological-Faunistic Data about Fungivorous Beetles (Insecta: Coleoptera) of Saratov Province

Authors: Sazhnev A. S., Mironova A. A., Anikin V. V.

Until this article in the Saratov Province special studies of fungivorous beetles fauna of Coleoptera was carried out. The collection material was conducted by the authors in the spring and summer of 2017 with fruiting bodies of different species of xylotrophic Basidiomycetes of the families Polyporaceae and Fomitopsidaceae on the territory of 4 districts of the Saratov Province (Voskresenskiy, Khvalynskiy, Saratovskiy, Engelskiy). As a result, on 4 species of xylotrophic fungi were found 13 species of Coleoptera from 6 families.

Particular Qualities of Flora and Vegetation Study of the Nature Monument «Blue Mountain» (Saratov Region, Ozinsky District)

Authors: Lysenko T. M., Ivanova A. V., Arkhipova E. A.

The characteristics of the flora and steppe communities of the nature monument of regional importance of the Saratov region «Blue Mountain » is given. The flora of the territory has preserved features of the forest, which is manifested in the head of the family spectrum of the corresponding floristic sample. At the same time as a result of the fires that occurred, the type of forest changed: the oak tree was replaced by aspen. A high position in the family spectrum of Rosaceae is noted, which is not typical for the subzone of turf-grass steppes.

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