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
General The cactus mealybug Atrococcus mamillariae (formerly known as Spilococcus cactearum ) is a pest of cacti and other succulents. It was first described in England but its origin is not clear. It
Overview May beetles are beetles from the Scarabaeidae family, and are plant-eating species from the Melolonthinae subfamily. Although this subfamily contains a number of species which cause damage to
General The blackcurrant aphid, Cryptomyzus galeopsidis , attacks black currant and also red current. It is widespread throughout Europe and also present in the Russian Far East and North America. Dam
Biological control of leafhoppers Leafhoppers are highly mobile, sap-sucking pests that feed on plant leaves, causing discoloration, stippling and leaf curling. Their feeding reduces photosynthesis, w
General The oak processionary moth ( Thaumetopoea processionea ), is a major pest of oak in many European countries. The common and scientific names of this moth refer to the behaviour of the larvae t
General The Pine processionary moth (Thaumetopoea pityocampa), is a major pest of pine trees around the Mediterranean Sea. It is most conspicuously damaging on pine plantations, or amenity pines. Dama
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
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