Biological control of mealybugs and scales Mealybugs and scale insects are persistent pests that feed on plant sap, weakening crops and producing honeydew that leads to sooty mould. Infestations reduc
Biological control of spider mites and other mites Spider mites and other mite species can rapidly infest greenhouse and field crops, feeding on plant cells and causing leaf discoloration, reduced pho
Biological control of thrips Thrips are among the most challenging pests in greenhouse and field crops. Their feeding and virus transmission cause leaf deformation, silvering and fruit damage, leading
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
General The green peach aphid ( Myzus persicae subsp. persicae ) is an important insect pest in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where
General The oleander aphid, Aphis nerii , sometimes also called the milkweed aphid, is a common pest of several important ornamental plants in the families Apocynaceae and Asclepiadaceae. It is common
General The cottony cushion scale, Icerya purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry there
General The codling moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe. Damage symptoms After i
General The larvae of crane flies , called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses and cereal crops. The adults do not cause an
Overview The corn earworm is a major pest affecting over 100 crops, of which the most prominent varieties are corn, sorghum, cotton, aubergine, pepper, and tomato. They primarily feed on flowers and f