Evaluation of the losses caused by Dacus oleae (Gmel.) and calculation of the economic threshold for larvicidal sprays in Umbria (1983) Evaluation of the losses caused by Dacus oleae (Gmel.) and calculation of the economic threshold for larvicidal sprays in Umbria (1983)

by Pucci, C., Commission of the European Communities, Brussels (Belgium). Directorate-General for Agriculture eng, Fiori, G. (Perugia Univ. (Italy)), Cavallaro, R. (ed.), Crovetti, A. (ed.), International Organization for Biological Control, Paris (France). West Palaearctic Regional Section eng, FAO, Rome (Italy) eng
Published 1985