Some ecological aspects involved in reduction of injurious diptera populations in winter wheat crops in the Plain of Transylvania
1984
Malachi, D. (Institutul de cercetari pentru cereale si plante tehnice, Fundulea (Romania))
From the researches carried out during 1981-1983 in the Plain of Transylvania, it shows that in winter wheat crops an abundant phytophagous Diptera fauna developed, this representing about 23 % of the total of pests in this crop. The most important species are: Oscinella frit, Opomyza florum, Hylemyia coarctata, Phorbia securis and Ph. penicillifera. For these species, data are given on the ecological factors influencing their life-cycle and the level of attack. The role of climate and technological factors favouring high levels of phytophagous Diptera populations is particularly emphasized.
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