@ARTICLE{Kaniuczak_Zdzisław_Occurrence_2000,
 author={Kaniuczak, Zdzisław},
 number={No 2},
 journal={Journal of Plant Protection Research},
 pages={132-139},
 howpublished={online},
 year={2000},
 publisher={Committee of Plant Protection PAS},
 publisher={Institute of Plant Protection – National Research Institute},
 abstract={In the years 1995-1997, studies were carried out on the occurrence of aphids and ladybirds on winter wheat in the south-eastern Poland. Depending on the atmospheric conditions the first aphids on wheat plantations were found from decade li of May. The peak of their mass occurrence was recorded in decads II and lll of June. The first overwintering beetles ladybirds began their flight over the plantations from decade Ill of April till decade II of May. The peak of a mass occurrence of these beetles was noted in decades II and lll ofMay. In all the localities and years of the studies the peak of a mass occurrence of beetles of ladybirds always preceded the mass occurrence of aphids on winter wheat.},
 type={Article},
 title={Occurrence of aphids (Aphididae) and ladybirds (Coccinellidae) on winter whet},
 URL={http://journals.pan.pl/Content/131232/PDF-MASTER/8_PLANT_40_2_2000_Kaniuczak_Occurrence.pdf},
 keywords={ladybirds, winter wheat, occurrence, aphids},
}