• Tomato russet mite

  on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet mite All life stages of the tomato russet [...] members of the plant family Solanaceae may be affected to a lesser extent. Damage symptoms Damage is caused by the mites sucking out the contents of plant [...] parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite groups have four pairs.

• Silver-Y moth

  d leaves, accumulation of frass and destruction of growing points. Life cycle and appearance of Silver-Y moth The forewings of the silver-Y moth ( Autographa [...] roof-like above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately but sometimes in small groups [...] light and dark stripes. A characteristic feature of this caterpillar is the oscillatory swaying movement of the anterior end. The caterpillars are nocturnal

• Garden chafer

  family. It does most of its damage in the larval stage when it feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut [...] and developing fruits of, for instance, roses and cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval [...] larvae move into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within stems of plants and on strawberry fruits lying on the

• Black tea thrips

  droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips Adult black tea thrips are dark brown with the apex of the abdomen [...] widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and has been recorded from more than [...] ornamentals . Damage symptoms The black tea thrips feeds primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses

• Brown soft scale

  flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale of the female is flat [...] colour of the scale darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of the [...] symptoms The scales produce enormous quantities of honeydew. This is usually the first visible symptom. Because of this, C. hesperidum is often attended by ants

• Chrysanthemum

  the genus Chrysanthemum of the family of Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species [...] or pompoms or buttons. This particular genus consists of many hybrids and an extensive range of cultivars that are produced for commercial, horticultural [...] purposes. Traditionally, yellow is the main colour of this flowering plant. Nowadays, a wide range of other colours is available such as white, purple and

• Large raspberry aphid

  damage. The major problem is the spreading of various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex [...] cauda is short and triangular. Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes and hatch in spring. After emerging [...] complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis

• Large blackberry aphid

  blackberries. Damage symptoms High populations of large blackberry aphids can reduce yield. Life cycle and appearance of Large blackberry aphid Aphids have a complex [...] complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis [...] with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult

• New Generation Mycotal

  June 2, 2023

  has announced that Mycotal , used for the biological control of Whitefly and a number of other pests, has undergone recent production enhancements. This [...] made the Mycotal biological insecticide more effective and increased the product’s shelf life. A process of continuous improvement, led by Koppert’s dedicated [...] for a range of pests found in vegetables, ornamentals, nursery trees and soft fruit in protected cultivation" Continuous Improvement The task of optimising

• Cotton aphid

  therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to