• Black bean aphid

  temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage symptoms Economic [...] Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] damage is caused through the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant

• Phytoseiulus persimilis

  other prey. Feeding behaviour of Phytoseiulus persimilis Phytoseiulus persimilis feeds on all stages of spider mites , but has a preference for eggs. The predatory [...] per day. Because the development rate of the predatory mite is roughly twice that of the spider mite, the number of predatory mites increases rapidly, and [...] usually deposited close to, or in a spider mite colony. They are approximately twice the size of spider mite eggs and a transparent light pink when freshly

• Horse-chestnut leaf miner

  not build a true cocoon in the mine. The percentage of larvae which spin true cocoons increases in each of the subsequent generations. Adults of the first [...] the entire surface of the leaflets, especially from July on, when the second and third generations develop. Trees with a low number of attacked leaves are [...] 25-35 days. First-instar larvae make only a small gallery. The second- and third-instar larvae develop a round mine of 4-7 mm diameter. The larva then goes

• Tobacco aphid

  Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] matt, never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several [...] probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco

• Natutec biocontrol application devices

  technology! The Natutec product portfolio offers a broad range of application devices for the dispersal of beneficial organisms over crops. Each Natutec solution [...] technology. Endorsed by Koppert Natutec is a product brand of Koppert. We specialize in the production and supply of biological control products, including [...] right system depends on the specific needs of your operations, particularly the surface area and layout of your growing environment. Select the system

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  The Municipality of Enschede started using nematodes for the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar [...] manager of the oak processionary caterpillar for the Municipality of Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range [...] caterpillar . The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink

• Green peach aphid

  malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous [...] glossy. Winged individuals have a brown-black head and thorax and a yellow-green to green or even reddish abdomen. They have a dark brown spot on the abdomen

• 100% Sustainable Agriculture

  experience A healthy future, that's quite a challenge. Growing a resilient crop takes expert knowledge and a great deal of experience! Growing in a sustainable [...] that contribute to a healthy, safe, resilient and productive crop. All this with the aim of achieving sustainable food production for a healthy planet. Partners [...] third generation is introducing this valuable legacy of knowledge and experience to the field of Agriculture. Working together with farmers We look at

• Mottled arum aphid

  aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] they produce large amounts of honeydew, which provides an excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves [...] Damage symptoms Large colonies of mottled arum aphids can greatly reduce plant vigour and kill the plant through sucking of plant sap. However, also at lower

• Buckthorn-potato aphid

  nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of other crops [...] transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts and start to reproduce parthenogenetically. Both wingless