Issledovanija vidovogo sostava skrytnokhobotnikov /Ceutorrhynchus spp./ i prochin povyshenija zarazhenija ozimogo rapsa ehtimi vrediteljami na territorii zheshovskogo voevodstva
EN
Researches on the species composition of wevils /Ceutorrhynchus spp./ and on the causes of increase of infeststion of winter rape by these pests on the territory of Rzeszow voivodeship