• May beetle

  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 [...] with the deposition of eggs in the ground, close to plant roots. The larvae eat throughout the summer and migrate deep into the soil in autumn. In cold [...] beetle The adults belonging to the majority of Phyllophaga species are very similar in terms of their external appearance. In short, the adults have a reddish-brown

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  longer than is necessary for the purposes of the processing, in view of the legitimate interest concerned, and in accordance with the statutory retention periods [...] we will use a cookie on your computer and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life [...] from the newsletter, please click the relevant link in the newsletter. You can also email your request to info(at)Koppert.nl , for the attention of the

• Mycotal FAQ

  morning. On cloudy days, the product can also be applied during the day. Humidity levels must be 70%(RH) at the moment of application and a couple of hours [...] a bag of blastospores of the unique fungus, Akanthomyces muscarius Ve6. Against which pests can I use Mycotal? Mycotal is effective on a range of pests [...] penetrate the pest’s body cavity. Here they proliferate and destroy the tissues, killing the insect. At high humidity, the fungus then grows through the insect

• Phytoseiulus persimilis

  to feed 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 [...] 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 [...] larvae or eggs per day. Because the development rate of the predatory mite is roughly twice that of the spider mite, the number of predatory mites increases

• Citrus mealybug

  appear in cucumber, melon and aubergine. Damage symptoms Although most species of mealybug feed on the aerial parts of the plant, some species extract [...] sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs [...] poses a problem in greenhouse horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and

• Bugs

  their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing bases. This dis [...] five nymphal instars and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Bug [...] Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial species. Heteropteran bugs are

• Diamond back moth

  quite small and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back [...] antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward slightly when viewed from the side. In males, the upper [...] white upper edge. In females, the upper two-thirds of the forewings are light ochreous and the markings are like those of the males. The back is marked with

• Beneficial Nematodes For Biological Pest Control

  July 28, 2023

  from the inside. The nematodes feed on the tissues of the dead insect and reproduce in large numbers. The pest insect dies within a few days. The nematodes [...] Koppert, as the leader in biological control, are experts in the production of these nematodes. Each of the three entomopathogenic nematodes produced by Koppert [...] wide range of pests such as the pupae and larvae of thrips , the larvae of black vine weevil and several beetles , caterpillars , the larvae of sciarid flies

• Koppert collaborates with Valto to control harmful tomato virus

  October 8, 2018

  this natural viral solution to the rest of the world. The product is awaiting registration in most of the remaining EU countries and registration processes [...] substantial percentage of the total production of tomatoes in the Netherlands. ‘ V10 has proved its worth during the course of several efficiency trials [...] continue the sale and distribution of its V10 product in the Netherlands, Koppert Biological Systems will be responsible for the distribution and sale of this

• Long-tailed mealybug

  length of the other filaments is roughly half the width of the body. The female is 3 - 4 mm long. Reproduction in Pseudococcus longispinus , may be sexual or [...] longispinus occurs naturally in tropical and sub-tropical regions, but these days it is widespread throughout the world. The range of host plants of Pseudococcus [...] damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves