• Mottled arum aphid

  cycle. Wingless females of the mottled arum aphid are shiny whitish, yellowish or green with black cross bands behind the head, broken along the midline, and

• Shore fly

  nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs also causes cosmetic damage

• Koppert Foundation

  Dutch on www.koppertfoundation.org . Do you need help with explanation and/or application? Please contact your local Koppert representative.

• Japanese beetle

  culminating in large patches of dead, brown grass that appears in late summer or early autumn. Secondary damage from mammals and birds digging for grubs can [...] grubs on roots of maize, beans, tomatoes, strawberries, nursery seedlings, or other crops reduces their vitality and yield and sometimes kills the plants

• How to protect bumblebees from heat

  Shading Providing effective shading to the top and the sides of the hive or providing an installation above the central walkway could benefit the bumblebees [...] heath. Even at 28° C, pollination can be reduced if the humidity is too low or radiation is too high. In conventional greenhouses, the recommended humidity

• Rice root aphid

  sap from the roots, plants infested with rice root aphids will exhibit some or all of the following symptoms: Wilting; leaves become discoloured and yellow

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

  casings begin to emerge. A second spraying may be needed, either of nematodes or of nematodes plus Bacillus thuringiensis -based products. ‘That is effective

• Buckthorn-potato aphid

  sucking of sap is rarely seen. Sometimes, large populations build up on potatoes or other hosts, which can cause growth retardation. Buckthorn- potato aphid does

• Cabbage looper

  spherical shape, with the flattened part attached to the leaf, and are a yellowish or greenish white colour. The Larvae hatch after 3 to 4 days. Since their legs

• Cucumber

  solani ), Potato aphid ( Macrosiphum euphorbiae ), and Green peach aphid or Tobacco aphid ( Myzus persicae ) posing significant challenges. These tiny [...] ( Swirski-Mite , Swirski Ulti-Mite , Swirski-Mite Plus , Swirski-Mite LD ) or Neoseiulus cucumeris ( Thripex , Thripex-Plus , Thripex-V ) are effective [...] thrips. Furthermore, predatory bug species like Orius insidiosus ( Thripor-I ) or Orius laevigatus (Thripor-L) contribute by preying on thrips adults and nymphs