• Diamond back moth

  quite small and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back [...] antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward slightly when viewed from the side. In males, the upper [...] white upper edge. In females, the upper two-thirds of the forewings are light ochreous and the markings are like those of the males. The back is marked with

• Aphids

  damage to plants in several ways, and the damage can vary depending on the species of aphid and the type of plant being attacked. The following are common [...] occur when the insects are present in very large numbers and are feeding heavily on the plant. Curling or twisting of leaves: Some species of aphids can [...] here all belong to the family Aphididae, a family containing many species that cause damage in cultivated crops. Aphids feed on the sap of plants using their

• About Koppert

  Biocontrol is our Nature The answers to many of today’s agricultural and environmental challenges are already out there: in nature itself. At Koppert, [...] we explore, understand, and apply these natural solutions in partnership with nature. Using natural enemies to control pests, bumblebees for pollination

• Citrus mealybug

  appear in cucumber, melon and aubergine. Damage symptoms Although most species of mealybug feed on the aerial parts of the plant, some species extract [...] sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs [...] poses a problem in greenhouse horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and

• Garden chafer

  feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers and developing fruits of, for [...] cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval stage when it feeds on the roots. First instar larvae [...] fruits lying on the ground. Both adult beetles and larvae are polyphagous and feed on a wide variety of plant species. High populations of larvae can destroy

• Trial results onion fly and bean seed fly

  feed on the digested tissues of the dead insect and reproduce in large numbers. The pest insect stops feeding soon after being infested, and dies within [...] role in the biological control of many pests. Meet Frank Keijzer, the owner of a 57-hectare organic arable farm and is growing a wide variety of crops [...] (Delia platura) by infecting the fly’s larvae in the soil. When applied to the affected area at sowing, the nematodes actively seek out bean seed fly larvae

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• Limonica Ulti-Mite

  Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites Dosage The dosage of Limonica Ulti-Mite depends on climate, crop and [...] Crops Do not use in tomato. Mode of action Predatory mites reproduce within the sachet and gradually disperse into the crop over a period of several weeks [...] Pests Larvae of various species of thrips (first and second larval stages); Eggs and larvae of greenhouse whitefly ( Trialeurodes vaporariorum ) and cotton

• Orius laevigatus

  Both adults and nymphs of Orius laevigatus are voracious predators, adept at piercing and feeding on the soft bodies of their prey. The predatory bug Orius [...] Orius laevigatus is used for the control of the following pests: Thrips The natural enemy Orius laevigatus is available at Koppert as Thripor-L . How to use [...] and/or in application boxes (Dibox) Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material

• Cyclamen main pest pressures

  traps are required for monitoring the level of pest present, will aid the calculation of the correct rates of natural enemies required. For further information [...] piercing cells on the leaf surface, and sucking out the contents. This causes silver-grey spots on the leaves, with dark green spots of frass, and feeding [...] There are many species of thrips, but Frankliniella occidentalis , or western flower thrips (WFT), is the most common species found in Cyclamen. If a