• Miglyphus

  larvae in the mine and lay their eggs next to them. The eggs develop into parasitic wasps inside the mine (but outside the leaf miner), using the dead larvae [...] in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop and leaf miner density and should always be adjusted to the particular [...] miner larvae by using them as a food source. This is known as host feeding. Visual effect The presence of Diglyphus isaea in the crop is signalled by short

• Tomato russet mite

  appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite [...] Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the underside. Later [...] and affected leaves dry out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance

• Enermix

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Ercal . Consult a Koppert advisor or a recognised distributor [...] in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Enermix

• Horiver Rollertrap

  Place the Rollertrap approximately 25 cm above the crop, except for the 30 cm width which needs to be placed 40 cm above the crop To assist with placement [...] insert a rod, or something similar, through the centre opening of the roll which will allow the Rollertrap to spin freely while unrolling At the beginning [...] end of each run, cut the trap approximately 40 cm longer than the support structure. Wrap the extra around the support and secure with staples or clips. It

• Greenhouse whitefly

  This is called the pupa stadium and these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies [...] sugar, and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth

• Apple

  introduced the tree to North America. The deciduous apple tree belongs to the rose family and is now cultivated for its fruit all over the world. It is the most [...] About The apple tree (often named Malus domestica by mistake) is best known for the apple, the tree’s usually sweet and pomaceous fruit. Apples originate [...] usually have a red, yellow, green, pink, or russetted coloured skin. Additionally there exists also a wide range of bi- or tri-colored cultivars. The skin of

• Mealybugs and scales

  recognizable as insects. The females are wingless and immobile, and covered with a hard scale (armoured scales and soft scales) or with waxy threads (mealybugs) [...] on this honeydew, which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are [...] is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted by the honeydew.

• Spidex Vital Plus

  multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts and suck out the contents [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] repeated biweekly if the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for

• Spidend

  Application Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave the cup in place [...] intervals, or until the pest is controlled. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for [...] emerging from the pupa, adult gall-midges actively search for spider mite colonies and deposit eggs next to the spider mites . Once emerged, the larvae feed

• Thripor-L

  adults with their sucking mouthparts and suck out the contents. Visual effect Orius laevigatus sucks out the body contents of its prey leaving only the empty [...] in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction site for a few hours after application [...] repeated once or twice. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. En