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
General The brown soft scale Coccus hesperidum is very common in tropical and sub-tropical regions and is also a common pest in greenhouses throughout the world. C. hesperidum has many host plants, in
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 circular scale, Chrysomphalus aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and subtropical parts of the world, mostly in associ
General Cutworms ( Agrotis spp.) are occurring worldwide. Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually f
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 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 tomato russet mite (Aculops lycopersici , also referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the family Eriophyidae.
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
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