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 species of Pulvinaria are similar in their appearance and damage symptoms. All of them have a wide host range and they are usually a problem in trees, shrubs and other woody plants. Damage
General The walnut husk fly ( Rhagoletis completa) is of American origin. It occurs in Europe since the 1990s and is now established in several European countries where it a pest of walnut. Damage sym
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
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 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 Trichoplusia is not only a damaging pest in crucifers, their favourite host, it can also be found in crops such as tomato, pepper, some cucurbits, soybean, sesame and cotton. One of the reason
Overview The tobacco budworm is a pest which affects field crops such as alfalfa, cotton, tobacco, soya, and others; however, it can also attack cucurbits, peppers, and tomatoes, especially when its f
General The American serpentine leaf miner ( Liriomyza trifolii ) originates from North America, but occurs also in Europe since about 1976. The American serpentine leaf miner ( Liriomyza trifolii ) i
General The banana moth or banana borer ( Opogona sacchari , also known as Opogona subcervinella ) belongs to the family of Tineidae . Outside of tropical zones, the banana moth ( Opogona sacchari ) c