Biodiversity and significance of the parasitoids Scolytus rugulosus
2001
Stojanovic, A. (Natural History Museum, Belgrade (Serbia and Montenegro)) | Markovic, C.
The parasitoid complex of Scolytus rugulosus includes 11 species of six families of Hymenoptera: Doryctes pomarius, Dendrosoter protuberans, Spathius brevicaudis, Ecphylus silesiacus, Eurytoma morio, Cheiropachus quadrum, Rhaphitelus maculatus, Calosota aestivalis, Tetrastichus ulmi, Entedon ergias, Scleroderma domesticus. Among the abovementioned parasitoids, the species Rhaphitelus maculatus had greatest influence on Scolytus rugulosus abundance. It was identified in 73.7% of examined samples, its average domination was 53.7% and average percent of Scilytus rugulosus parasitism was 23.9%. Besides, the species Ecphylus silesiacus, Cheiropachus quadrum, Entedon ergias and Eurytoma morio had a strong effect on Scolytus rugulosus abundance. The significance of other parasitoids was low. Parasitoids have a great influence on the abundance of Scolytus rugulosus because they reduce the abundance of their host 44.5% on average.
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