• Obscure mealybug

  layer of wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others [...] name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder, threads [...] damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves

• Citrus mealybug

  problem in greenhouse horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and ornamental [...] damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves [...] secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced

• Predatory mites

  chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] quantity of predatory mites needed based on factors such as the size of your crop and the severity of the pest infestation. Distribution: There are various [...] build up a population in the crop and control pests for a long period of time. Reduced pesticide dependence: The integration of predatory mites can lead

• Eretmocerus eremicus

  instar. The larva then penetrates the host, moulting to the second instar to feed. During the third instar, the larva fills the host pupa, and the pre-pupal [...] pre-pupal stage after the third instar), a pupa, and finally the adult wasp. Females prefer the second and third larval instars of whiteflies for egg-laying [...] 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 the

• Two-spotted spider mite

  such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] underside of leaves where they pierce the cells and suck out the contents. The empty dead cells become yellow, and in many plants the damage can also be [...] seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced photosynthesis, increased transpiration and reduced

• Amblyseius swirskii

  underside of leaves, often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour [...] survive on pollen and other prey and can establish in the crop before the pest appears. These predatory mites are employed as part of integrated pest management [...] cycle of Amblyseius swirskii The life cycle of Amblyseius swirskii consists of egg, larva, protonymph, deutonymph, and adult. Eggs are laid on the underside

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• Tobacco aphid

  crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses [...] chrysanthemum, and various pot plants and cut flower crops. Damage symptoms Nymphs and adults extract nutrients from the plant and disturb the balance of growth [...] General The tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco

• Knowing & recognizing

  edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to [...] in 2003, the latest edition comprises 443 pages, 700 photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural enemies [...] they spread in the crop, the damage they can cause, and specific behavioural characteristics. Shop now Koppert - A knowledge company The use of biological

• Diglyphus isaea

  usually pupates in the mine some distance from the dead host. Pupal stage: The pupa lies between the upper and lower epidermis of the leaf which are held [...] from the mine. This is also seen in the pillars that remain visible as black spots in the leaf. The adult is metallic green to black in colour and unlike [...] Diglyphus isaea The parasitic wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning