New Chalcidoidea (Hymenoptera) parasitoids of <Emphasis Type="Italic">Dasineura saliciperda</Emphasis> (Dufour) (Diptera,Cecidomyiidae) in Bulgaria |
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Authors: | G Ts Georgiev A M Stojanova |
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Institution: | (1) Forest Research Institute, 132 St. Kliment Ohridski Blvd., Sofia 1756 Bulgaria;(2) University of Plovdiv Paisii Hilendarski, 24 Tzar Assen Str., 4000, Plovdiv, Bulgaria |
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Abstract: | Abstract The parasitoid complex of Dasineura saliciperda (Dufour) (Diptera, Cecidomyiidae) on Salix fragilis L. was studied in 1997 and 2002 in two localities in Bulgaria. As a result, 5 species from 3 families of Chalcidoidea (Hymenoptera) were reared from pest galls: Eurytoma afra Boheman, Eurytoma salicis Walker (Eurytomidae), Torymus microcerus (Walker) (Torymidae), Gastrancistrus sp. and Mesopolobus sp. (Pteromalidae). E. afra and T. microcerus are new species for the fauna of Bulgaria, and E. salicis – a new parasitoid of the host. Total parasitism of D. saliciperda in the studied years ranged between 44.1 and 53.5 %. E. afra was the most important, destroying 21.9-53.5 % of the pest. |
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