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Distribution Patterns of Grasshoppers and Their Kin over the Eurasian Steppes

1
Department of General Biology and Ecology, Novosibirsk State University, 2, Pirogova Street, 630090 Novosibirsk, Russia
2
Laboratory of Invertebrate Ecology, Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, 11, Frunze Street, 630091 Novosibirsk, Russia
Insects 2021, 12(1), 77; https://doi.org/10.3390/insects12010077
Received: 30 December 2020 / Revised: 12 January 2021 / Accepted: 12 January 2021 / Published: 15 January 2021
(This article belongs to the Special Issue Locusts and Grasshoppers: Biology, Ecology and Management)
The steppe zone is the huge area in temperate Eurasia where different grasslands form the main type of vegetation. The main part of this life zone has been transformed by human activity and used for crop cultivation (mainly wheat) and livestock. Regional and local transformations and/or climate changes can result in some shifts in species and population distribution of Orthoptera. Over this area, the climatic conditions and the dominated grasslands are suitable for numerous grasshoppers and their relatives, especially the graminivorous ones. The general level of their diversity is usually high. Many species are very abundant and may become important pests. However, there are also many rare species. The main aims of this paper are to reveal general patterns of Orthoptera distribution in the Eurasian steppes, to evaluate long-term trends of changes in distribution of taxa and populations, and to estimate the potential for population changes relative to human activity and global warming trends.
The main aims of this paper are to reveal general patterns of Orthoptera distribution in the Eurasian steppes, to evaluate long-term trends of changes in distribution of taxa and populations, and to estimate the potential for population changes relative to human activity and global warming trends. The main publications concerning diversity and distribution of these insects over the steppes are analyzed. The fauna of the Eurasian steppes includes more than 440 species of Orthoptera. The general distribution of grasshoppers and their kin in the Eurasian steppes reflects their common associations with different grasslands. The species richness increases from the relatively cold forest-steppes to the semi-deserts with their warm summer. There are some endemic or subendemic taxa, including the tribe Onconotini (Tettigoniidae). The populations’ distribution of Orthoptera is also analyzed. The populations of native Orthoptera extend through all the herbaceous landscapes. Under these conditions, the interrelating of colonies of each species may result in great abundance. The population distribution of three species locusts (Locusta migratoria, Calliptamus italicus, Dociostaurus maroccanus) is also discussed. Some notable changes of their populations’ distribution and dynamics are characterized. The situation with rare Orthoptera is estimated. Retrospective and prospective of the steppe fauna of Orthoptera are discussed. View Full-Text
Keywords: Orthoptera; biological diversity; fauna; distribution; range; population; pest; rare species Orthoptera; biological diversity; fauna; distribution; range; population; pest; rare species
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MDPI and ACS Style

Sergeev, M.G. Distribution Patterns of Grasshoppers and Their Kin over the Eurasian Steppes. Insects 2021, 12, 77. https://doi.org/10.3390/insects12010077

AMA Style

Sergeev MG. Distribution Patterns of Grasshoppers and Their Kin over the Eurasian Steppes. Insects. 2021; 12(1):77. https://doi.org/10.3390/insects12010077

Chicago/Turabian Style

Sergeev, Michael G. 2021. "Distribution Patterns of Grasshoppers and Their Kin over the Eurasian Steppes" Insects 12, no. 1: 77. https://doi.org/10.3390/insects12010077

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