• Pollination checklist Natupol Fly

  Protect the opening for the flies against heat. It is preferable to use white of light coloured bags/cups at temperatures above 20 °C.

• Apple

  Horiver Rollertrap white sticky traps are used for monitoring and mass trapping adult sawflies during their spring flight period. The white traps mimic apple [...] growth, fruit quality, and yield. Damage symptoms of powdery mildew in apple White powdery fungal growth on leaves and shoots Distorted or curled leaves Reduced [...] protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their flesh is also pink or yellow.

• Yellow rose aphid

  Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The yellow rose aphid is holocyclic

• Neoseiulus californicus

  limonicus . They are roughly 0.4 mm in length. The eggs are oval, transparent to white in colour and are deposited on the underside of the leaves. They are smaller [...] persimilis , feed on spider mite eggs. The nymphs and adults are a transparent white colour. In many cases the colour of the food ingested shines through the

• Spidex Vital: Your Vital partner in spider mite control

  characteristic red-orange color. This takes 1-2 days. After introduction of “white” Spidex Vital it therefore is a clear proof of predation when red Spidex

• Cutworms

  mm and the dorsal thorax is covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches

• Oak processionary moth

  appearance of Oak processionary moth The adults have grey forewings with white and darker grey markings and a wingspan of ca. 30 mm. The adults emerge and

• Cotton aphid

  Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The cotton aphid can be distinguished

• Glasshouse potato aphid

  Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless adult stage of the

• Long-tailed mealybug

  Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected