• Hemispherical scale

  January 1, 1970

  General The hemispherical or helmet scale, Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental crop

• Olive scale

  January 1, 1970

  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

• Carnation tortrix

  January 1, 1970

  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

• Western flower thrips

  January 1, 1970

  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

• Horse-chestnut leaf miner

  January 1, 1970

  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

• Boisduval scale

  January 1, 1970

  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

• Cabbage moth

  January 1, 1970

  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

• Potato aphid

  January 1, 1970

  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

• Crane flies

  January 1, 1970

  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

• Click beetles

  January 1, 1970

  General Click beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and then suddenly propel themse