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article/chapitre/communication
A. Korcz | 1987Studies on the harmfulness of entomofauna from the genera Lygus and Orthops were carried out on seed plantations of : onions in 1975-78 and again in 1981-85 ; beans in 1975-78 and 19884-85; carrots in 1968-70 and 1983-85 and cucumbers in 1975-78[...]article/chapitre/communication
article/chapitre/communication
A. Korcz ; A. Slotala | 1987The insecticides Cymbusz, Decis, Fastac, Ripcord and Thionex were used in the control of Lygus and Orthops spp., on seed carrots in 1985-1986. The above insecticides effectively decreased populations of these pests, having an indirect influence [...]article/chapitre/communication
article/chapitre/communication
R. Bech | 1969The injurious species belonging to the genus Lygus Hahn showed neither overlopping in the most important characteristics used to distinguish the species nor hybridization in the open. Hibernation took place in the imago stage, with the exception[...]