• Lyprauta

  sp. are a transparent greyish white and have a long slender body. The head is brown or reddish. The pupae are white to yellow and embedded in a dense web [...] Keroplatidae) have been associated with root damage in potted orchids, especially in greenhouses in the Netherlands. Dutch farmers call these larvae potworms [...] large numbers of new branches. This ultimately results in a reduced number of flower stems and a longer vegetative stage. The root damage can also form

• Pollination checklist outdoor

  For instance, position the hive on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should [...] down any flowering weeds in and around the area to be pollinated. Protect the hive against strong winds. Position the hive in a sheltered spot, or weigh [...] Koppert's bumblebees ensure natural pollination in both indoor and outdoor crops. Good pollination in outdoor crops can be achieved by following the r

• Rice root aphid

  hum rufiabdominale) is a well-known pest in North America that survives outdoors all year round. It can affect plants grown in both soil and hydroponic [...] can reproduce year-round indoors. However, they can only live a few days without feeding on a host plant and they give birth to live offspring instead of [...] aphids , the rice root aphid appears in both winged and wingless forms. The wingless form is dark olive-green, with a round body 1.4–2.4 mm long. It lives

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar. The municipality’s built-up area has a total of 22,000 [...] Municipality of Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only do this at [...] 000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink explains, it was not enough. She is the project manager

• Enhancing the efficiency of biocontrol applications with Natutec Airobreez

  Labeau in the Netherlands. "Our greenhouse layout and equipment make using larger application devices for biocontrol challenging, so finding a compact [...] Airobreez, we’ve accomplished that and more." Located in the Netherlands' Westland region, Labeau specializes in breeding and propagating young ornamental plants [...] natural enemies both from zero to one meter and within a four-meter radius, setting it apart in the market. Koppert consultant Wim van der Meer, who regularly

• Western flower thrips

  occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae [...] (Frankliniella occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and [...] most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including

• Optimal placement of bumblebee hives

  the day. In case of insufficient shade, additional measures should be taken, especially in autumn when the Wireless Beehome System is closed. In times of [...] protect your bumblebees from heat . Low light condition (Winter) In winter, choose a spot where the hives receive early sunlight, typically on the north [...] hives can be placed higher inside the crop, at a minimum height of 1.4 meters above the ground, particularly in dense crop areas. On the darkest days of winter

• Cutworms

  4 cm or more when fully grown. The caterpillars may be encountered in the soil in a characteristic, circular position. Pupa are brown to dark brown and [...] and feed mostly at night and hide in the ground during the day. Damage from these instars is usually observed as a cutting of young seedlings, often causing [...] the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings with a faint kidney-shaped

• Trichoderma harzianum

  for the plant to absorb. As a result, it provides a natural and environmentally friendly approach to disease management in agriculture and horticulture [...] mixed with substrate or applied in furrow at sowing using a granulator Trianum is most effective when used preventive: a good and early colonization of [...] for crop protection Trichoderma harzianum T-22 is a species of beneficial fungus commonly used in agriculture and horticulture for its various beneficial

• Click beetles

  6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start [...] brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear [...] General Click beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back