• Black vine weevil

  Therefore, vine weevils cannot fly but can walk very well. They are strictly nocturnal; during the day they hide, and can often be found between the inside [...] diameter), spherical white eggs are laid from the beginning of July until around the end of October. The larvae that hatch have a white, translucent to pinkish [...] in spring in the soil. The depth where the pupae can be found varies between 2 and 20 cm. Pupae are white to cream coloured and 7 - 10 mm long. Outdoors

• Target pests of beneficial nematodes in potato & outdoor vegetables

  2nd generation Foliar Larvae 1,5 billion/ha Bean seed fly Delia platura At sowing, if fly presence confirmed before sowing (monitoring recomended) [...] 1-2 million/L spray until run off Onions Onion fly Delia antiqua Apply 7 to 14 days after first fly detection (monitoring). Repeat every 7 to 10 days [...] Soil Larvae 500 - 1000 million/ha Various Crane flies Tipula spp. Apply once crane flies detected. Two applications 7 days apart. Soil Larvae

• Whitefly

  honeydew, which can coat the leaves and stems of infested plants. Sooty mold: Honeydew can also promote the growth of a black, sooty mold that can cover the [...] they are typically white or yellowish in color, and they are often found on the undersides of leaves. Whiteflies are not true flies but belong to the order [...] fields. They feed on the sap of plants, which can cause damage to the leaves and stunting of growth. They can also transmit plant viruses from one plant to

• Greenhouse whitefly

  and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the [...] result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a [...] develop on the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of honeydew by

• Rhyzobug FAQ

  detected. How do I apply the Rhyzobius lophanthae into the field? Open the cap of the tube and tap the ladybird adults on the plants. On which crops can Rhyzobug [...] when disturbed. While releasing they are not flying, is this normal? Adult Rhyzobius lophanthae do not fly immediately like other ladybirds, therefore it [...] Packaging How many adults are in the packaging? 500 adults. What kind of carrier is present in the packaging? Buckwheat hulls. 4 Storage Can I store the

• Tobacco aphid

  persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South [...] known to what extent tobacco aphids ( Myzus persicae subsp. nicotianae ) can also transmit viruses. Life cycle and appearance of Tobacco aphid Aphids have [...] Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless tobacco aphids (

• Insight to the Production of Nematodes

  September 12, 2019

  Heroes’ Insect-pathogenic nematodes measure much less than a millimeter, so you can’t see them with the naked eye. Great care and precision need to go into the [...] black vine weevil and several beetles , caterpillars , the larvae of sciarid flies and many others. Logistics Koppert has developed packaging materials and [...] temperature logging takes place along the route to make sure that the nematodes travel in the best possible conditions. Koppert’s formulation development, packaging

• Horiver Drystick

  Use Horiver Drystick for trapping and monitoring different flying insects. The traps work particularly well for bugs such as Lygus spp. and Nesidiocoris [...] is tenuis. Pests Yellow: Whitefly , Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and [...] dry sticky glue. Available colours and sizes Yellow: 10x25 cm; 25x40 cm White: 10x25 cm; 25x40 cm Numbers per package 10x25 cm: 10 pieces 25x40 cm: 12

• A life-long commitment to help growers thrive with sustainable growing practice

  December 10, 2024

  pests and diseases but can also support plant health . ‘A healthy plant is far more resilient and can withstand pest infestations far better. It’s a winning [...] "How can we possibly explain to our children and grandchildren that we once sprayed poison on the food we eat and the flowers in our homes?" Rianne asks [...] allows me to carry on his legacy. I’m passionate about educating growers on how natural methods, like predatory mites , enable them to cultivate their crops

• Fall Armyworm

  Females lay their eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical, and are usually [...] it possible for fall armyworms to spread over large areas rapidly. Adults fly by night, and are attracted to lights, especially those with a strong ultra-violet [...] This damage and moist sawdust-like frass near the funnel and upper leaves can be an easily spotted sign of larval feeding. After feeding, the leaves appear