• Hemp russet mite

  Eriophyidae (gall and rust mites). It does not produce galls but lives freely (vagrant) on hemp/cannabis plants. Aculops cannabicola is host specific to [...] ( Cannabis sativa ). It cannot survive on other plants. Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Hemp russet [...] develops on the stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside of leaves

• Blackcurrant aphid

  , attacks black currant and also red current. It is widespread throughout Europe and also present in the Russian Far East and North America. Damage symptoms [...] amounts of sticky honeydew on which black sooty mould fungi grow. Leaves and fruit quickly turn black and fruit can become unmarketable. Life cycle and appearance [...] appearance of Blackcurrant aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses

• Leafhoppers

  Biological control of leafhoppers Leafhoppers are highly mobile, sap-sucking pests that feed on plant leaves, causing discoloration, stippling and leaf curling [...] plant growth and can lead to reduced yield and lower crop quality. In addition, leafhoppers can transmit plant pathogens, increasing the risk of disease spread [...] within greenhouse and field crops. Effective leafhopper control is therefore essential to maintain healthy and productive cultivation. By combining monitoring

• Rose aphid

  aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms In [...] aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew on which black sooty moulds [...] cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses

• Large raspberry aphid

  raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. Damage symptoms Large [...] populations that are high enough to reduce yield by direct feeding damage. The major problem is the spreading of various raspberry viruses by the aphids. Life [...] cycle and appearance of Large raspberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour

• Geranium aphid

  rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids may form large colonies on young [...] ly along the petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards and are responsible for spreading [...] Acyrthosiphon malvae rogersii can spread strawberry mottle virus. Life cycle and appearance of Acyrthosiphon malvae rogersii Aphids have a complex life cycle, with

• 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 [...] pest in coffee and citrus. Many ornamental crops can also be affected. Damage symptoms Olive scales produce large amounts of honeydew causing build-up of [...] deposits on nearby surfaces. The honeydew may attract attendant ants and sooty moulds grow on the sugary deposits. Removal of large quantities of sap debilitate

• Click beetles

  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 [...] feigning death and then suddenly propel themselves into the air with a audible click. Hence their name. Their larvae are called wireworms and feed on the roots [...] roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage

• Spotted Wing Drosophila

  start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and Europe [...] Europe where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms After oviposition, the respiration tubes extend from [...] fruit but are difficult to see. Larval feeding in the fruit leads to fruit tissue collapse. Even if the fruits have not collapsed, the occurrence of larvae

• Contact

  Kingdom 8 Tudor Rose Court 53 Hollands Road Haverhill Suffolk CB9 8PJ Tel: +44 1440 704488 Fax: +44 1440 704487 E-mail: info@koppert.co.uk