Longhorn beetles (Coleoptera, Cerambycidae) collected in Moericke traps in oak canopies of Krotoszyn forests
The effectiveness of yellow pan traps for investigation of Cerambycidae population in oak canopies was examined. The traps located in the canopies collected 23 species of Cerambycidae, mainly flower visiting species in the subfamilies Lepturinae and Cerambycinae. Some species (i.e. Cortodera humeralis, Grammoptera ustulata, Phymatodes rufipes) were collected only in the traps, whereas others (Anoplodera sexguttata, A. rufipes, Alosterna tabacicolor and Stenurella nigra) which were frequently observed on the ground of the forest, were collected in the traps only sporadically. Investigations with yellow pan traps were made in one season in two types of forest : managed and treated with insecticides against oak defoliators and in a managed protected buffer zone of reserve. A possible negative effect of treatments was detected only on C. humeralis. Apart from species collected during the experiment with yellow traps an additional 9 species of Cerambycidae were reared or collected in the same area between 2006–2009.
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