• Corn earworm

  instars, over a total period of two to three weeks, developing a greyish colour and a black cephalic capsule in the first stage, but later adopting a variety [...] to five months in areas with very cold winters. The pupae measure around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured [...] body, with a wingspan of 35 to 40 mm and a dark stripe on the side edge of the forewings and hindwings; they live for around two and a half weeks.

• Green peach aphid

  peach tree, is native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly [...] aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young [...] persicae ) is the most important vector of viral diseases. It can transmit at least 100 different viruses and is thus rightfully feared by many growers

• Lemon

  well-known yellow citrus fruit is used widely for culinary and other domestic purposes throughout the world. Citrus limon is a medium, evergreen tree of the [...] the Rutaceae family. It is characterized by its aromatic sour taste.

• Anthurium

  anthurium is a flowering, perennial plant and has beautiful, long lasting flowers that come in a variety of colours. However, the ‘flower’ is actually an [...] varieties of anthuriums are recognized by its uniform colours and heart-shaped spathes. In many markets, red is the most popular colour. Other types include [...] which are larger than the standard ones and their spathe has a more prolonged shape that comes in two or more colours.

• Onion thrips

  (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on [...] petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, [...] can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can be recognized by their developing wing buds. Compared

• Disclaimer

  products are not available in all countries. Any such reference does not imply that Koppert markets a particular product in a particular country or intends [...] information contained on www.Koppert.com is without obligation and does not constitute a legally-binding offer to enter into a contract. Liability Whilst this website [...] may include references (for example, by means of a hyperlink, banner, or button) to other sites concerned with a specific aspect of this website. This

• Whitefly

  comparable in outline. Whitefly damage The larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high [...] physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and drop. Such leaf damage can in turn influence the development [...] fruit and lead to a reduction in yield. By sucking plant sap and secreting honeydew, whitefly reduces the aesthetic value of crops. This is particularly important

• Woolly apple aphid

  or are blown by the wind from tree to tree. Sometimes a few winged aphids are produced in summer. Winged egg-laying females are produced in early autumn [...] General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other [...] covering) on apple trees sheltering in cracks and under loose bark. The nymphs become active in late March or April (in the northern hemisphere) and around

• Spider mites and other mites

  parts of the plant. The number of eggs laid by a single female can vary, and they can hatch within a few days to a couple of weeks, again depending on env [...] about What are mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found in a wide variety of habitats, from forests [...] feeding habits. Plant mites generally thrive in warm and dry conditions, which is why they are often problematic in greenhouses and during hot, dry weather

• Phytoseiulus persimilis

  outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the absence of suitable prey. When prey is in short [...] persimilis is sensitive to relative humidity below 70%. Phytoseiulus persimilis in bottles The predatory mite Phytoseiulus persimilis is available in a bottle [...] persimilis is by far the most important natural enemy of Two-spotted spider mite (Tetranychus urticae) and has been used in many crops worldwide, mainly in greenhouses