• Horiver Drystick

  tenuis. Pests Yellow: Whitefly , Nesidiocoris tenuis White: Lygus spp., European apple sawfly ( Hoplocampa testudinea) Mode of action Insect pests are [...] are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with dry sticky glue. Available colours [...] pieces 25x40 cm: 12 pieces Application Place traps in areas with high risk of pest infestation such as areas near doors, gable ends and lateral ventilation

• Phytoseiulus persimilis

  young 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 [...] Feeding behaviour of Phytoseiulus persimilis Phytoseiulus persimilis feeds on all stages of spider mites , but has a preference for eggs. The predatory mites [...] find their prey. The developmental stages of Phytoseiulus persimilis are the same as those of spider mites : egg, larva, protonymph, deutonymph and adult

• Plant Pollinator interactions in high temperatures

  n, use of air-cooling systems, use of evaporation systems. During periods of hot weather, when the temperature exceeds 30° C for large parts of the day [...] environmental temperature: Impact of radiant heat and humidity A glasshouse air temperature of 30° C at a humidity of 80% can still results in good pollination [...] an intensity of no more than 400 watts. The table in figure 3 gives a representation of what the best conditions are for pollination. Of course, these

• Adapting Quickly Guarantees ‘Tomato Success’

  April 30, 2019

  growth of your crop. This also always causes the loss of some biological beneficials, even if you spray with a fully integratable product. The end of the [...] pests, without having to fear collapse of the biological system. This is why the new season actually starts at the end of the current cultivation cycle. During [...] preventative hanging of Rollertraps , which is most easily done in an empty greenhouse before planting. The Rollertraps catch whiteflies as well as other insects

• Cyclamen mite

  Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following stages: egg, larva, and adult. However [...] are modified and used to transport pharate females. Eggs of the cyclamen mite are about half the size of the adult mite. They are oval in form, smooth, t [...] ornamentals . Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There

• Neoseiulus cucumeris

  lays about two eggs per day. Life cycle of Neoseiulus cucumeris The life cycle of Neoseiulus cucumeris consists of the following stages: egg, larva, protonymph [...] adult. Eggs are laid on the underside of leaves on leaf hairs or in the axils of main and side veins. They are oval, white and have a diameter of approximately [...] used for the control of the following pests: Thrips Neoseiulus cucumeris mites actively seek out and prey on the first instar larvae of various thrips species

• Western flower thrips

  leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations [...] occidentalis) develops in six stages: egg, two larval instars, prepupa, pupa, and finally the adult insect. The eggs of the western flower thrips (Frankliniella [...] viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. Life cycle and appearance of Western flower thrips The

• Sciarid flies

  at risk. Life cycle and appearance of Sciarid flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar [...] prefer damp areas in dark places, with a lot of organic material. They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white [...] General Sciarid flies constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella

• Frequently Asked Questions about Bumblebees

  November 15, 2018

  a nest is chosen, she will start laying eggs to build her own colony. Approximately 4 weeks after the first eggs are laid, the first worker bumblebees (all [...] the mysterious disappearance of many honeybee colonies. Although the exact causes are unclear, it appears that a combination of parasites and pesticides may [...] longevity of the hives can be jeopardized. When using bumblebees and honeybees together, Koppert recommends separating the two bees by a minimum of 100 yards

• Effective Biological Control: Keep a Close Eye on Everything

  April 9, 2019

  thrips and whitefly are often first seen on the sticky trap. By counting regularly and keeping track of the results, you can maintain a good picture of whether [...] systematically keeping track of how the situation is developing – is therefore crucial. In fact, this is the cornerstone of effective biological control [...] it is useful to concentrate on the top of the leaves, and in others the bottom. Good monitoring requires a lot of knowledge about pests! Sticky traps and