• Leaf miners

  lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] miner control Learn more about What are leaf miners? Leaf miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a [...] is not universal among the Agromyzidae. Of the approximately 2,500 species in this family, only eleven are truly polyphagous. The species that cause most

• Praon volucre

  Hang the cylinder horizontally from a crop wire, branch, or leaf stalk by winding the label around it and sticking the end of the label back onto the label [...] over a period of 18 days. Fifty percent of the eggs are laid during the first five days. At 23-25°C, the developmental time for Praon volucre on Macrosiphum [...] Praon volucre The parasitic wasp Praon volucre is available in a bottle ( Aphiscout ) Peel off the outer layer of the label starting at the upper right corner

• May beetle

  of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae [...] continue their larval development the next spring. While the younger larvae are relatively harmless, the older larvae are the most aggressive. In early spring [...] ending in the death of the plant. From the third stage onwards, the impact of this pest increases. Damage symptoms Initial damage is not visible in the aerial

• Steinernema feltiae

  ultimately killing the host within a few days. The nematodes then feed and reproduce within the cadaver of the dead host, resulting in the emergence of a new [...] nematodes penetrate the pest's body through natural openings. Once inside the pest, the nematodes release symbiotic bacteria, typically of the genus Xenorhabdus [...] openings, releasing symbiotic bacteria that kill the host within a few days. They are often applied to the soil as a biological control method to target pest

• Phytoseiulus persimilis

  on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction [...] but has a preference for eggs. The predatory mites pierce the prey with their mouthparts and suck out the contents. The adult Phytoseiulus persimilis also

• Pea leaf miner

  After roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] damaged before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] formed. These are mostly located at the base of the leaf. Life cycle and appearance of Pea leaf miner The life cycle of a leaf miner has the following stages:

• Aphidius ervi

  is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae ) Glasshouse potato aphid ( Aulacorthum solani ) The parasitic wasp [...] Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material [...] after planting of the crop. Introduction rates typically range from 0.25-2 per m 2 /release. Releases should be repeated weekly during the period when aphid

• Limonica

  before use Push the centre of the cap to open the dosage hole Carefully sprinkle material on leaves Make sure the material remains on the leaves for at least [...] should always be adjusted to the particular situation. Start introduction as soon as the first pests are detected in the crop. Introduction rates typically [...] least a few hours after introduction Can also be applied with Natutec Airobreez , Natutec Mini-Airbug , Natutec Airbug or Natutec Airobug Dosage The dosage

• Mealybugs and scales

  which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering [...] is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted by the honeydew. [...] important families within the superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs ). Coccoidea are at first sight barely

• Koppert collaborates with Valto to control harmful tomato virus

  October 8, 2018

  access to tomato growers around the world. The two innovative biological solutions producers are located in the heart of the Dutch fruit and vegetable growing [...] protects a substantial percentage of the total production of tomatoes in the Netherlands. ‘ V10 has proved its worth during the course of several efficiency trials [...] were needed for the full European registration dossier. The two low risk active ingredients and the product V10 have been approved by the Dutch registration