• 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

• 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

• Black tea thrips

  1.4-1.7 mm long and males are 1.1-1.2 mm long. The legs are entirely white or yellow. The greenhouse thrips is parthenogenic, it reproduces without mating [...] singly in plant tissue by the females. The early larval stage is whitish with red eyes. Larvae become yellowish after feeding. Mature larvae average 1 mm in [...] larval instars then moult to the prepupal stage which is light yellow with red eyes and short wing pads. The pupal stage is slightly larger, with longer

• Circular scale

  stem dieback. First signs of an infestation are dark-purple to reddish-brown or black spots with paler margins, on both surfaces of shaded leaves of the host

• Plant Disease Management

  organisms. This method relies on the use of living organisms to suppress or control plant pathogens, which are microorganisms that cause diseases in plants [...] signs, such as yellowing leaves, wilting, unusual growth patterns, spots, or lesions. Early detection allows for swift intervention, potentially preventing

• Cactus mealybug

  with a white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy mass of wax threads, called an

• Oleander aphid

  aphids are all female and males do not exist. Adult females may be winged or wingless. The winged adult females (alata) are yellow and black with dark

• Onion thrips

  Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour of the adult depends on the food source. Onion thrips (Thrips [...] pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can be recognised

• Natutec biocontrol application devices

  Natutec enables growers to: Use biological control products in hard-to-reach or large arable crops . Improve the effectiveness of biological control methods