• Hemp russet mite

  leaves and upward curling of leaf edges. Life cycle and appearance of Hemp russet mite All life stages of the hemp russet mite are extremely small and difficult [...] smaller leaf size and suppressed bud growth leading to a reduction in the number of buds and dwarfed buds. This damage can reduce yield and quality. Other [...] elongated (torpedo-shaped), soft and segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile

• Fly pollination

  also is known for its efficient and rapid movement, making it an effective pollinator for a variety of crops. These small flies navigate with agility, ensuring [...] From fruits and vegetables to nuts and grains and ornamental plants for seed production. These flies are often applied in tents or other small isolation [...] other small isolation units with a few plants or when the amount of produced pollen is low. Lucilia flies can be easily combined with bumblebees and honeybees

• Carnation tortrix

  rather small. The contrasting colours between the yellow to purple forewings (with a dark brown band in the females and two red bands in the males) and the [...] carnations and strawberries in greenhouses; the damage inflicted to strawberries and other crops grown outdoors is less serious. Life cycle and appearance [...] fliers and are active diurnally, unlike most leafrollers, which mainly fly at dusk and after dark. The females have a limited flight capacity and only cover

• Apple scab

  petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The [...] restricted, whereas the lesions caused by conidia extend faster and may merge. Infected fruits and leaves may fall off prematurely. The plants’ defence mechanism [...] Late fruit infection only results in small dark lesions which may not be noticed before harvest. Life cycle and appearance of Apple scab Venturia inaequalis

• Leek moth

  adult moth. The eggs are small, white and elliptical and are laid singly on the leaf of Allium plants. After a wandering period on the leaves, first instar [...] before adult emergence. Male and female moth are 8-9 mm long, with a wing span of 15-16 mm. Their general colour is grey-brown with a typical white triangle [...] countries and has been introduced to parts of Canada. The larvae of Acrolepiopsis assectella feed on cultivated Allium species, primarily leek and onion,

• Macro-Mite

  recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions For optimal results the medium has to be [...] thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems. The reduction of the infestation level [...] in organic matter and have a loose structure. The minimum temperature for successful use of Macro-Mite is 15°C (59°F). Combined use For thrips control Macro-Mite

• Aphids

  pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is essential for maintaining healthy [...] target aphid populations and provide ongoing crop protection throughout the growing season. With Koppert’s biological solutions for aphids, professional growers [...] maintain crop quality, yield and sustainability. Solutions for aphid control Learn more about What are aphids? Aphids are small, soft-bodied insects that

• Obscure mealybug

  Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit [...] are yellow-brown and not yet covered with wax. They are actively mobile and known as ‘crawlers’. Second instar nymphs are darker and less active. From [...] the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes

• Caterpillars

  on leaves and young shoots, and their enormous feeding capacity can rapidly decimate a plant. Very small caterpillars are not able to chew and therefore [...] leaves, stems and fruits, causing serious damage to greenhouse and field crops. Their feeding reduces photosynthesis, weakens plants and directly affects [...] affects yield and quality. Effective caterpillar control is therefore essential for maintaining healthy and productive crops. Biological control of caterpillars

• Horse-chestnut leaf miner

  Life cycle and appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white chevrons edged with black. The [...] miner damage leaves by feeding between the upper and lower parenchyma. The mine starts to turn yellow and later brown. By this time, the damage is very visible [...] the leaflets, especially from July on, when the second and third generations develop. Trees with a low number of attacked leaves are not greatly affected