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1by Peter Biedermann“..., and mating behavior in a xyleborine ambrosia beetle. Females of Xyleborinus saxesenii Ratzeburg produced...”
Published 2010-09-01
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3“... Idiococcobius Hayat, syn. nov., is synonymised with Coccobius Ratzeburg...”
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8“...The balsam woolly adelgid (Adelges piceae Ratzeburg) attacks subalpine fir (Abies lasiocarpa (Hook...”
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13by Rösler, KatrinSubjects: “...Ratzeburg...”
Published 2016
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15“.... mendax Mannerheim, 1837, A. cyanescens (Ratzeburg, 1837), A. ribesi Schaefer, 1946, A. delphinensis...”
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16by Nickolas G. Kavallieratos, Saša S. Stanković, Martin Schwarz, Eleftherios Alissandrakis, Christos G. Athanassiou, George D. Floros, Vladimir Žikić“... (Ratzeburg, 1848), and Spathius curvicaudis Ratzeburg, 1844; and one Eulophidae: Melittobia acasta (Walker...”
Published 2019-01-01
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17by Liang Ming Cao, Yan Long Zhang, Cornelis van Achterberg, Zhi Yong Wang, Xiao Yi Wang, Wen Xia Zhao, Zhong Qi Yang“...), Doryctes undulatus (Ratzeburg), Pareucorystes varinervis Tobias, Polystenus rugosus Foerster, Spathius...”
Published 2019-07-01
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18by Marcial Corrêa Cárcamo, Rosiane Kleinhans Brandão, Valmir Antonio Costa, Paulo Bretanha Ribeiro“...Relata-se a ocorrência do parasitoide Aprostocetus hagenowii (Ratzeburg, 1952) (Hymenoptera...”
Published 2009-12-01
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19by Varga O.“...Exeristes longiseta (Ratzeburg, 1844) and E. roborator (Fabricius, 1793), the Carpathian species...”
Published 2017-02-01
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20“... is provided. An intermixing of character states of genera Conostigmus as well as Dendrocerus Ratzeburg...”
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