General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is
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 onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sw
General The diamond back moth (Plutella xylostella) belongs to the family of Plutellidae . It only attacks Brassicaceae species, including cruciferous weeds. The diamond back moth (Plutella xylostella
General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of Asia and South America. It attacks plants of th
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
General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious pest that can cause substantial damage.
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
Pests Leaf miners ( Lyriomyza spp.). Mode of action Adult female parasitic wasps of Diglyphus isaea kill second and third instar leaf miner larvae in the mine and lay their eggs next to them. The eggs
General The golden twin-spot moth or tomato looper ( Chrysodeixis chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and norther