Browsing by Subject "ichneumonids"

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  • Pei, Gheorghe; Brudea, Valentin (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2018)
    Parasitoid wasps are very important in reducingpopulations of little spruce sawfly (Pristiphora abietina Christ.), yearly percent of affected cocoons being between 23 and 35,2%. In laboratory conditions, 23% from the ...