COMPOSITION, CHARACTERISTICS OF THE ENVIRONMENT, CHOROLOGY AND GENESIS OF SNOUT BEETLES OF PTOCHUS SCHOENH GENUS AND CREATION OF MAPS OF THEIR AREAS IN THE REPUBLIC OF DAGHESTAN

Abstract. Aim. The aim of the work was to study the characteristics of the ecology, the chorology and genesis of thesnout beetles of Ptochus genus in Dagestan, as well as designing the maps of their ranges. Materials and methods. The work was based on the materials of expedition and ecology-faunistic studies conducted from 1999 to 2017 in various regions of Dagestan using the basic entomological methods. For mapping were used the following source materials: the database created by the authors for the study group, the map of the Republic of Dagestan taken fromthe National Atlas of Russia, topographic maps from MapInfo 15.2 and maps made in Adobe Illustrator CreativeCloud. Results. The characteristics of the ecology and geographic distribution of the snout beetles of Ptochus genus in Dagestan have been studied; the following maps are created: "The areas of the snout beetles of Ptochus genus of Dagestan" and "The areas of the snout beetles of Ptochus genus of the Botlikh trench of Dagestan". Conclusion. In the fauna of Dagestan, 7 species of Ptochus snout beetles, associated with arid steppe and semidesert landscapes,ed distribution maps and bioecological features, a hypothesis was put forward on the genesis of the study group in the territory of Dagestan.

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