General The lygus bug (or tarnished plant bug) is native to North America, and it is especially common across the eastern half of the continent, from northern Canada to southern Mexico. It is one of t
General The western corn rootworm ( Diabrotica virgifera virgifera ) is a chrysomelid beetle originating from North America, where it is regarded as the main pest of maize. Nowadays it is present in m
General The diamond back moth (Plutella xylostella) belongs to the family of Plutellidae . It only attacks Brassicaceae species, including cruciferous weeds. The diamond back moth (Plutella xylostella
General The fall armyworm is a polyphagous pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars of fall armyworms feed on the leaves, stems and
General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of Asia and South America. It attacks plants of th
Pests Especially for potato aphid ( Macrosiphum euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). It also has an effect on the peach potato aphid ( Myzus persicae ) and other aphid spec
Pests Especially for tobacco aphid ( Myzus persicae var. nicotianae ) and peach-potato aphid ( Myzus persicae var. persicae ). Mode of action Adult parasitic wasps emerge from the mummies and females
Overview May beetles are beetles from the Scarabaeidae family, and are plant-eating species from the Melolonthinae subfamily. Although this subfamily contains a number of species which cause damage to
General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations with rose aphids retar