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P. KOLESIK | 1993The bionomics of Contarinia lentis Aczel (lentil gall midge), a pest of Lens esculenta Moench (lentil), was studied in Czechoslovakia in 19861990. The adults emerged from the soil of fields in which lentils had been grown in the previous year fr[...]congrès/colloque
S. Beilke, - Editeur scientifique ; J. Morelli, - Editeur scientifique ; CEC Commission of the European Communities, Bruxelles (BEL) ; Workshop organized within the framework of the concerted action physical-chemical behaviour of atmospheric pollutants (1988/05/03-04; Villefranche sur Mer, FRA) ; G. Angeletti, - Editeur scientifique | Bruxelles [BEL] : CEC Commission of the European Communities | 1988article/chapitre/communication
P. MURRAY ; R. Clements | 1994A series of laboratory and field studies were done to evaluate a range of leguminous plant species for their feeding potential by adult weevils of the genus Sitona Germar. (Coleoptera: Curculionidae). Three species of Sitona, S. lineatus L., S. [...]article/chapitre/communication
S. Keller ; C. SCHWEIZER | 1994Over a period of 10 years, the population development of the pea midge in northern Switzerland was followed. The investigations started at about the peak of the gradation and ended after the collapse of the population. The data are supplemented [...]