Onion thrips

thrips (Thrips tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and [...] where these veins join. Fruit damage, for instance in cucumber, only occurs if the crop is heavily infested. In some countries, the onion thrips (Thrips [...] develops in six stages: egg, two larval instars, prepupa, pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves

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 [...] 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 [...] great variety in colour. They moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Adult

Mottled arum aphid

a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks many ornamentals , including [...] excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves can reduce photosynthesis and also result in an unattractive [...] adulthood. With each moult they shed white skin, betraying their presence in the crop. Reproduction of the mottled arum aphid is entirely by parthenogenesis

Olive scale

citrus and olives and occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental [...] Many young females migrate to twigs and branches later and remain there for the rest of their lives.

Spotted Wing Drosophila

the 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 [...] unripe fruits. The larval development takes place in the fruit. The larvae pupate either fully or partly in the fruit, or outside the fruit on the ground. [...] and Europe where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms After oviposition, the respiration tubes extend

About Koppert

challenges are already out there: in nature itself. At Koppert, we explore, understand, and apply these natural solutions in partnership with nature. Using [...] Using natural enemies to control pests, bumblebees for pollination , and microbials that support, protect, and strengthen crops. Improving plant health both

Vine mealybug

yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production [...] instar nymph, prepupa, pupa and adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The

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 [...] within the eggs and hatch in mid- or late April. They are nocturnal and feed gregariously. The newly emerged larvae are brown. In later instars, their body

Moskisan

Use the Moskisan trap for monitoring and trapping Mediterranean fruit fly in combination with species-specific lure. Pests Mediterranean fruit fly ( Ceratitis [...] flies into the trap. Once in the trap they cannot escape and are easy to detect, count and identify. Trapping males also aids in reducing the number of eggs [...] Various fruits, coffee. Mode of action The Moskisan trap needs to be used in combination with Pherodis lure dispensers. The dispensers release a speci

May beetle

very similar in terms of their external appearance. In short, the adults have a reddish-brown colour and grow to approximately 10 to 25 cm in size, depending [...] deposition of eggs in the ground, close to plant roots. The larvae eat throughout the summer and migrate deep into the soil in autumn. In cold climates they [...] aggressive. In early spring they either start feeding again or when the larvae are fully grown a kind of earthern cell is created in the ground in which they