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Hymenopteran parasitoids (Hymenoptera: Aphidiidae) of cereal aphids (Sternorrhyncha: Aphidoidea) in winter wheat crops in Slovakia
winter wheat cereal aphid parasitoids
2015/1/30
During 1997–1999, occurrence of hymenopteran parasitoids of cereal aphids was observed in different localities in Slovakia. Altogether, seven species of aphid parasitoids were recorded. The total numb...
Key for identification of the Hymenopteran parasitoids of the African citrus psylla Trioza erytreae Del Guercio（Hemiptera：Triozidae）in Cameroon
Citrus Trioza erytreae hymenoptera parasitoids pest control Cameroon
2009/3/4
We studied the parasitic complex of the African citrus psylla, Trioza erytreae for the first time in the tropical zone of Africa, in Cameroon. This psyllid is the major pest of citrus in all h...