• Oak processionary moth

  individuals. The larvae usually stay in their nests during the day leaving at night in a characteristic procession to feed in the canopy of the trees. If the [...] native to central and southern Europe but is now present in almost all European countries and also in parts of the Middle East. Damage symptoms The nests of [...] adults emerge and fly between the end of July and mid September. The eggs (with up to 300 eggs per batch) are laid in contiguous rows along one to two year

• Horse-chestnut leaf miner

  horse-chestnut leaf miner overwinters in the pupal stage in a cocoon in dead leaves. The emergence of adults in spring occurs in April and May, depending on climatic [...] European horse-chestnut in Greece, Albania and Macedonia. It was first observed attacking ornamental horse-chestnut trees in Macedonia in the 1970s, from where [...] larvae mine in horse chestnut leaves go to four (occasionally five instars) and their size varies form 0.5 mm in the firsts instar up to 3.5 mm in the fourth

• Chafers

  about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During 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 [...] and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage is often caused by birds and small

• Blueberry aphid

  found on young shoots. Peak aphid densities are reached in June and July. Sexual adults are produced in September and October and the sexual females lay eggs [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] a vector of blueberry scorch virus. Damage symptoms Blueberry aphids live in dense colonies on young shoots of blueberry bushes and produce large amounts

• Goat moth

  spines on the abdominal segment. The moths fly at night in June or July and lay eggs on tree trunks in batches of up to 50. After the eggs hatch, the larvae [...] broad-leafed trees. It is most often found in birch, ash, willow and elm but can also attack fruit trees. It is widespread in Europe. Damage symptoms Feeding galleries [...] galleries are very extensive and the larvae burrow in all directions in both sap and hart wood. Attacks are usually confined to the trunk of mature tress

• Large blackberry aphid

  Winged aphids usually appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged [...] species. The large blackberry aphid is widely distributed in Europe and also established in New Zealand. It only feeds on cultivated and wild blackberries [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

• Large raspberry aphid

  Winged aphids usually appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] raspberry aphid are laid near the base of vegetative canes and hatch in spring. After emerging in spring, the aphids mainly feed on the underside of leaves and

• A Year Of Impact For The Koppert Foundation

  August 19, 2024

  agroforestry projects in Kenya and Uganda and sustainable disease control in tomato in India. The Koppert Foundation was also active in education projects [...] cardamom production in Guatemala, improved maize production in Malawi, a school gardening programme in Uganda, education on sustainable farming in Zimbabwe, a [...] Asia, and South America. In 2023, the Koppert Foundation supported 9 smallholder farmer projects in 7 different countries. In total, 23,150 farmers (and

• Apple rosy aphid

  plantaginea lays eggs in autumn in bark crevices on spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and at first [...] May or June (in the northern hemisphere) multiple large colonies may be present on the trees. Winged aphids are produced in June or July. They move to [...] Dysaphis plantaginea , is a serious apple pest. It is widespread in Europe and also occurs in Africa, North and South America, and Asia and can cause severe

• Cabbage moth

  caterpillar varies in colour from green or brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the [...] carnation. It is a species found in Europe, North Africa (Libya, Canary Islands), Japan and sub-tropical Asia, including India. Damage symptoms Large caterpillars [...] kidney-shaped white-rimmed marking in the middle. The hindwings are light brown with a rather inconspicuous spot in the middle. Head and thorax are grey-brown