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New Hormaphididae (Hemiptera, Aphidomorpha) from the Baltic Amber and its Palaeogeographic Significance
Authors:Piotr WEGJEREK  Dagmara Y&#x;A
Institution:Piotr WEGIEREK~ and Dagmara ZYLA Department of Zoology,University of Silesia,40-007 Katowice,Poland
Abstract:The present study describes a new genus and species Unicohormaphis sorini,which belongs to the subfamily Cerataphidinae.The contemporary distribution of aphids belonging to the Hormaphididae family is summarized and analyzed.According to the obtained data,the climate warming in Eocene was conducive to the expansion of the family over the areas of Europe.Subsequent climate changes,resulting from epeirogenic and orogenic movements towards the end of Eocene,led to a considerable cooling and drying of climate i...
Keywords:Hemiptera  Aphidomorpha  Unicohormaphis new genus  Baltic amber  paleoclimate  
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