@ARTICLE{Pisarek_Marta_The_2001, author={Pisarek, Marta}, number={No 1}, journal={Journal of Plant Protection Research}, pages={31-40}, howpublished={online}, year={2001}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, abstract={The research on the occurrence ofCurculionoidea carried out in 1990-1995, in south-eastern Poland showed thatSitona hu mera/is Steph. was the most numerous species. Its participation among all the collected Curculionoidea was 69.4%. Other species occurring on alfalfa crops were: Hypera postica (Gyll.)- 7.7%, Si tona linea/us (L.)-5.0%, Sitona hispidulus (Fabr.)- 4.7% and Apion tenue Kirby 4.4% of the entire entomological material. In the spring, the highest numbers of adult Curculionoidea appeared in mid May and in the second half of September.}, type={Article}, title={The occurrence of Curculionoidea on alfalfa (Medicago saliva (L.)crops in south-eastern Poland}, URL={http://www.journals.pan.pl/Content/131121/PDF-MASTER/6_PLANT_41_1_2001_Pisarek_The_Occurrence.pdf}, keywords={Curculionoidea, Hypera postica (Gyll.), Sitona humeralis Steph., alfaalfa, intensity of appearance, Sitonahispidulus (F.), Sitona lineatus (L.), Apion tenue Kirby}, }