• Blueberry aphid

  virus disease can cause severe yield loss. Life cycle and appearance of Blueberry aphid Aphids have a complex life cycle, with both winged and wingless forms [...] General The blueberry aphid, Ericaphis fimbriata or Ericaphis scammelli , is most likely of North American origin and was probably introduced into Europe with [...] September and October and the sexual females lay eggs on blueberry bushes for overwintering.

• Common cockchafer

  of trees, mainly on oak, maple, beech and plum. Life cycle and appearance of Common cockchafer The life cycle of the common cockchafer ( Melolontha melolontha [...] ae. Damage symptoms The common cockchafer ( Melolontha melolontha ) does most of its damage in the larval stage, when it feeds on roots of grasses and [...] and long, hairy, well developed yellow legs. It takes three or four years for the larvae to fully develop. The grubs are 10 to 20 mm in the first autumn

• Broad mite

  visible several weeks after the mites have been removed. Life cycle and appearance of Broad mite The life cycle of tarsonemid mites has the following stages: [...] different to the others and not used for walking. After moulting to the third larval stage the larvae stay in their cuticle for one or two days and then emerge [...] distortion of the above-ground growth of the plant. The mites show a preference for young, developing plant tissue, like the growing tips, young leaves and flower

• Beetles

  solutions for beetles, professional growers can achieve reliable pest management, protect crop quality and support sustainable production. Solutions for beetle [...] pest in crops or stored products. There are many useful beetles as well. For instance, ladybirds contribute to the control of aphids . Beetles undergo [...] instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon and

• Large raspberry aphid

  various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex life cycle, with both winged and wingless [...] General The large raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry.

• Aphidius matricariae

  products for advice on the best strategy for your situation. Best conditions for use Aphidius matricariae The natural enemy Aphidius matricariae is most effective [...] the need for chemical interventions in agriculture. Adult wasps do not engage in feeding on aphids, but primarily subsist on nectar and water. Life cycle [...] parasitic wasp belonging to the family Braconidae and is widely recognised for its role in biological pest control of aphids . This small wasp is a valuable

• Flies

  The lesions caused by feeding larvae provide invasion routes for various pathogenic fungi, for instance Fusarium sp. And Botrytis sp. Adults can also spread [...] adult populations and support monitoring. With Koppert’s biological solutions for flies, professional growers can achieve reliable pest management, protect [...] protect crop hygiene and maintain sustainable growing conditions. Solutions for fly control Learn more about What are flies? There are several flies that are

• Verticillium wilt

  symptoms or with only partial wilting. Life cycle and appearance of Verticillium wilt Verticillium dahliae survives for prolonged time periods (many years) [...] are saprophytes, V erticillium albo-atrum and Verticillium dahlia e are the most important plant pathogens. Verticillium dahlia causes verticillium wilt and [...] and early dying of potato. Damage symptoms Verticillium species mostly cause wilting of plants. The wilting starts at the lower leaves. These leaves are

• Circular scale

  has been dispersed widely in tropical and subtropical parts of the world, mostly in association with the citrus industry. In more northern countries of its [...] many other plants. Damage symptoms Chrysomphalus aonidum has a preference for humid environments. In citrus, it tends to prefer the lower and central parts [...] with paler margins, on both surfaces of shaded leaves of the host plant. Life cycle and appearance of Circular scale Female nymphs and adults have flat

• Long-tailed mealybug

  sufficient to render the product unfit for sale. A very small population can thus cause considerable economic damage. Life cycle and appearance of long-tailed [...] affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower [...] or asexual, the latter apparently being the more common situation. Unlike most other mealy bugs , Pseudococcus longispinus produces no egg sac. Instead