Whitefly

Biological control of whitefly Whiteflies are common pests in greenhouse and field crops, feeding on plant sap and transmitting harmful viruses. Their feeding weakens plants, causes leaf yellowing and

Mealybugs and scales

Biological control of mealybugs and scales Mealybugs and scale insects are persistent pests that feed on plant sap, weakening crops and producing honeydew that leads to sooty mould. Infestations reduc

Broad mite

General The broad mite (Polyphagotarsonemus latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) has a wide range of host plants, especially

False spider mites

General Mites of the family Tenuipalpidae have a worldwide distribution and can be found on many cultivated plants. Several species have been reported, especially by growers of greenhouse ornamentals

European red mite

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

Pear psylla

General The pear psylla, Cacopsylla pyri , is a widely distributed pest of pear in central Europe and can inflict serious damage in pear orchards. Damage symptoms Pear psylla feeding leads to growth i

Long-tailed mealybug

General Pseudococcus longispinus occurs naturally in tropical and sub-tropical regions, but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is le

Citrus mealybug

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

Obscure mealybug

General The obscure mealy bug ( Pseudococcus viburni ) (formerly known as Pseudococcus affinis) originates from South America, but can now be found in many parts of the world with a temperate climate.

Oleander scale

General Aspidiotus nerii , the oleander scale or white scale belongs to the Coccoidea and has an almost worldwide distribution. Host plants include olive, apple, mango, palms, oleander and citrus. Dam