@misc{Skrzypczyńska_Małgorzata_Studies_2002, author={Skrzypczyńska, Małgorzata and Polska Akademia Nauk. Muzeum i Instytut Zoologii}, volume={45}, number={2}, copyright={Rights Reserved - Free Access}, journal={Fragmenta Faunistica}, address={Warszawa}, howpublished={online}, year={2002}, publisher={Museum and Institute of Zoology, PAS}, language={eng}, abstract={Studies on the species composition of galls occurring on the leaves of Carpinus betulus L. were conducted in 2001 in the following three localities: the Wolski Forest, the Ojców National Park and the Krzeszowice Forest District (UTM-DA-16). A total of 1852 galls were found. The galls were caused by insect or mite species. Aceria macrotricha (NALEPA, 1919) was the most abundant species. The index of occurrence frequency and the Agrell index of species association have been calculated.}, title={Studies on the occurrence frequency of insects and mites causing galls on leaves of hornbeam Carpinus betulus L. in southern Poland}, type={Text}, URL={http://rcin.org.pl/miiz/Content/54509/PDF/WA058_61137_P256-T45_Fragm-Faun-Nr-2.pdf}, keywords={Nematocera, gall gnats, gall midges, Cecidomyiidae, mites and ticks, acarines, Acarina, Acari, gall mites, Eriophyidae, thread-horns, South Poland, european hornbeam, Carpinus betulus, arachnids, Arachnida, flies, Diptera, Insecta, insects}, }