• Consumers

  pollinators of arable and horticultural crops. The bumblebee is a close relative of the honeybee. In 1987, it was established that bumblebees could prove

• Akanthomyces muscarius

  muscarium The efficacy of Lecanicillium muscarium depends on temperature and relative humidity conditions inside the crop canopy and the timing of application

• Southern European marshland pyralid

  varies considerably according to the crop: in begonia and kalanchoë a relatively small population can cause severe damage, whereas roses appear to tolerate

• Cryptolaemus montrouzieri

  species is known to be a polyphagous predator. Sometimes other insects related to mealybugs are eaten, such as soft scales or aphids . However, this beetle

• Thrip control in Strawberry with Orius laevagatus

  May 8, 2019

  introductions at 7-14 day intervals. The ‘window’ for introduction of Orius is relatively narrow since fast establishment of the predator is the aim for optimum

• Control spidermite with Phytoseiulus in soft fruit

  May 8, 2019

  and reproduce faster than the pest at temperatures between 15-25°C, and a relative humidity above 70%. Phytosieulus attacking a spidermite. Due to the wide

• Steinernema feltiae

  and right after application For foliar application, spray nematodes when relative humidity will exceed 75% for several hours after the treatment Adding an

• Citrus mealybug

  distinguished from other mealy bugs by their possession of 18 pairs of relatively short wax rods round the edge of the body, and two slightly longer ‘tail

• Navigating Energy Efficiency, Greenhouse Lighting & Pollination Success

  December 1, 2023

  will want to save their valuable heat by keeping screens closed (a higher relative heat (RH)) and this too creates issues for the establishment of an optimal [...] activating the plants, will instead create optimal conditions for bumblebees. A relative humidity of 80% or higher will result in bumblebees staying in the hive

• Steinernema carpocapsae

  right after application For foliar application, spray the nematodes when relative humidity will exceed 75% for several hours after the treatment Adding an