• House fly

  and home. Believed to have originated in central Asia, the insect expanded its range worldwide long ago as a commensal organism to human populations; the

• Cyclamen mite

  Phytonemus pallidus ) feeds on plant sap by penetrating the plant tissue with its piercing-sucking mouth parts. The mites are mostly found within the flower

• Crop Monitoring and Scouting

  analyse data in real time. These tools streamline the scouting process and make it more efficient. Using a crop scouting tool in horticulture can lead to more

• Neoseiulus cucumeris

  a valuable solution in integrated pest management (IPM) strategies, where it acts as a natural enemy to help control thrips populations. Neoseiulus cucumeris [...] cucumeris is most effective at temperatures between 15 and 25°C (59 and 77°F). It is not effective at temperatures above 30°C/86°F. Neoseiulus cucumeris is

• Do you think you have Cannabis Pests?

  June 27, 2024

  piercing the thrips body with its mouthparts, consuming it whole. The third and final product to use is our Entomite product. It is the soil-dwelling predatory [...] cannabis indoors or outdoors it is important to observe and monitor your plants for insects, as just like any crop, cannabis has its own enemies, and as a grower [...] spider mite damaged plants for cues to find its prey. The second predatory mite we use is Phytoseiulus persimilis . It is found under our product name Spidex

• Southern European marshland pyralid

  the fungus Botrytis cinerea . In gerbera, the flower buds may also be eaten. It has even been known for the caterpillars to inflict damage to the roots of

• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  March 17, 2025

  years. That foundation of trust made it easy to work together,” Pieter explains. “Koppert has grown tremendously, but it remains a family business at heart—focused [...] predatory mite leaves behind some residue, it’s proof that biological control is working—but consumers don’t always see it that way yet.” Despite the challenges [...] It all started nearly a century ago. The Stolk Brothers’ journey in horticulture began in 1925 when Pieter Stolk’s great-grandfather purchased land in

• Mastering the Battle Against Lawn Pests: White Grubs and Leatherjacket Edition

  April 25, 2024

  (hemolymph), it swiftly colonizes the host's interior, utilizing it for sustenance. As the fungus consumes the grub's nutrients and generates toxins, it transitions [...] invading the grub, causing its demise. The fungi adhere to the insect's cuticle (outer shell/skin) and enzymatically breaks it down. Once inside the insect's [...] number of grubs/larvae exposed. If you find 8-10 grubs/larvae per square foot, it is time to act. Biological Control with Nematodes One effective method of

• Chrysopa-E

  a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F). Combined use Can be used in combination

• Amblyseius andersoni

  surface of the leaves, often in the corner of the main vein and lateral veins. It is not possible to distinguish Amblyseius andersoni in the field from Amblyseius [...] humidity below 65%. In tomato, use of Amblyseius andersoni is not recommended as it is hindered by the glandular hairs on the stems and leaves and does not build