• Thrips

  parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the leaf. The larvae are [...] are smaller than the adults and lack wings. Depending on the species, thrips either pupate on the plant or in the ground. The pre-pupal and pupal instars [...] fringe of hairs along both edges of the thin wings. There are more than 6,000 known species. Most are harmless, some are predators, and fewer than 20 species

• Municipality Venray: biological control of oak processionary caterpillars

  In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as [...] places, which means that the nematodes are more easily blown away. In some cases, we have to take curative action and extract the nests. But, on balance [...] for the Municipality of Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly and moth. The major

• Bedding plants

  summer. They are easily divided in four different categories: Hardy annual plants which are planted directly into the soil already early in the season: sunflower [...] rhizomes, bulbs and tubers . These are planted every year and removed after the plant has died down. During winter they are either stocked away or disposed [...] in a nutshell Advanced biocontrol of spider mite with Spidex Vital The nematodes are doing their job Keep a Close Eye on Thrips Biocontrol for Spider Mites

• Caterpillars

  damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest of all [...] all lepidopteran families. Most adults of this family are nocturnal. The caterpillars mostly pupate in the ground. Another family containing several species [...] that damage greenhouse crops is the leafroller family, the Tortricidae. The name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up

• Anagyrus vladimiri

  for effective control of the mealybugs . Behaviour of the parasitic wasp Anagyrus vladimiri The female Anagyrus vladimiri lays its eggs inside the body [...] ovipositor between the wax filaments on the lateral margins of the host. Oviposition generally lasts about 15-40 seconds. The larva of the parasitic wasp [...] vladimiri is used for the control of the following pests: Citrus mealybug ( Planococcus citri ) Vine mealybug ( Planococcus ficus ) The parasitic wasp Anagyrus

• Capsanem

  ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] Redheaded Flea Beetle Beneficial Nematodes against Horticultural Pests FAQ Nematodes Preparation Remove the sachets from the box and keep them at room temperature [...] on which nematodes feed, develop, and reproduce inside the host. This kills the pest within a few hours to days after infection. Visual effect Infected

• Pepino mosaic virus

  What is Pepino Mosaic Virus (PepMV)? Pepino Mosaic Virus (PepMV) is one of the most economically significant viral diseases in greenhouse tomato production [...] with V10 An effective strategy to protect tomato crops against Pepino Mosaic Virus (PepMV) is the use of cross-protection with a mild strain, such as V10 [...] moderate protection against PepMV US1. This approach is based on the principle of cross-protection, where: A mild virus strain occupies the plant It prevents

• Pumpkin, squash and gourd

  a genus of herbaceous vines belonging to the gourd family, Cucurbitaceae . Cucurbits, as they are also know, are indigenous to the Andes region and Mesoamerica [...] depends on species, variety and local jargon. The fruits of the Cucurbita species are usually large and fleshy, but their size can vary substantially. Wild [...] Mesoamerica. Currently, five species are cultivated for their edible fruit and seeds. This fruit is alternately known as pumpkin, squash or gourd. That depends

• Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

  witnessed the effect of Koppert’s nematode product Entonem on the oak processionary caterpillar. ‘We’ve been using nematodes for years. The product is [...] be used on trees with leaves. Nematodes are a better solution for urban areas.’ Wolterinck BV sprays the nematodes when the caterpillar egg casings begin [...] needed, either of nematodes or of nematodes plus Bacillus thuringiensis -based products. ‘That is effective around ten days in and if the trees have at least

• 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 [...] universal among the Agromyzidae. Of the approximately 2,500 species in this family, only eleven are truly polyphagous. The species that cause most damage all