Phloemophagous and xylophagous insects, their parasitoids, predators and inquilines in the branches of the most important oak species in Serbia |
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Authors: | ?edomir Markovi? and Aleksandar Stojanovi? |
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Institution: | (1) Department of Forest Genetics and Forest Tree Breeding, B?sgen-Institute Georg, August University G?ttingen, B?sgenweg 2, 37077, G?ttingen, Germany;(2) Department of Forest Sciences, Transilvania University Brasov, Sirul Beethoven 1, 500123, Brasov, Romania |
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Abstract: | Altogether 26 species of phloemophagous and xylophagous insects, 47 species of parasitoids, 14 species of predators and 7
species of inquilines were identified on the branches of Quercus cerris, Q. frainetto, Q. petraea and Q. robur, diameter 3–15 cm, at 24 sites in Serbia over the period 1992–1996. The greatest number of the identified species were taken
from Q. petraea branches (66), followed by Q. cerris (49), Q. frainetto (48) and Q. robur (43). Among the identified phloemophagous and xylophagous insects, the most frequent and the most abundant species were Scolytus intricatus, Agrilus angustulus and Xylotrechus antilope. The most frequent and the most abundant parasitoid was Ecphylus silesiacus. In some samples, the species Entedon ergias, Cheiropachus quadrum and Dendrosoter protuberans were also among the more abundant parasitoids. The most significant predator was the species Tilloidea unifasciata, and the most significant inquilines were the species Poecilothrips albopictus and Asynapta pectoralis. |
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