General The olive scale, Saissetia oleae , is a cosmopolitan pest of citrus and olives and occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and
General The carnation tortrix ( Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East, North Africa, the USA, Europe, including Mal
General The western flower thrips (Frankliniella occidentalis) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be fou
General These three species of Diaspi s are very similar in their appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one. The Boisduval
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
General The black vine weevil, Otiorhynchus sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate an
General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spr
General The cabbage moth (Mamestra brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops such as sweet pepper, tomat
General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for Solanaceae
General The horse-chestnut leaf miner, Cameraria ohridella , probably originates from natural stands of the European horse-chestnut in Greece, Albania and Macedonia. It was first observed attacking or