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In this study we present an ecological pattern of elevation and temporal variations found in the   Chrysomelidae   in one of the highest mountains in southeastern Brazil. Monthly surveys using an entomological sweep-net were conducted between April 2011 and June 2012, at five different elevations (800 m, 1000 m, 1750 m, 2200 m and 2450 m). A total of 2318 individuals were collected, belonging to 91 species. The elevation and temporal patterns of distribution of   Chrysomelidae   were heavily dominated by the   Galerucinae  . This subfamily had the highest richness and abundance at intermediate altitudes and during the rainy season. Probably the food availability as well as abiotic factors this time of the year favor the development of   Galerucinae  . Also, most of the more abundant   Galerucinae   species showed broad elevation ranges but approximately 20% of these species were only collected on the mountaintop sites. We would expect these species to be ones most prone to extinction in a scenario of climate warming or even after local disturbances.

Elevation and temporal distributions of Chrysomelidae in southeast Brazil with emphasis on the Galerucinae