General The citrus mealybug ( Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticul
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
What are two-spotted spider mites? Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very rapidly doing severe
General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid include cotton, citrus, coffee, cocoa, eggplant,
General The oak processionary moth ( Thaumetopoea processionea ), is a major pest of oak in many European countries. The common and scientific names of this moth refer to the behaviour of the larvae t
General The black bean aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage
Biological control of aphids Aphids are among the most harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is essential for ma
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
Pests Larvae of various species of thrips (first and second larval stages); eggs and larvae of greenhouse whitefly ( Trialeurodes vaporariorum ) and tobacco whitefly ( Bemisia tabaci ). Crops Do not u