Potato aphid

Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The adult potato aphid is a large

Corn earworm

and appearance of the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a ribbed spherical

Pepper weevil

to be used later when it begins its metamorphosis. It develops a shiny white colour and eyes which are yellow at first, and become darker after a few

Quad

the ventilation openings on top of the hive during warm weather Pull the white sliding door of each hive upward until two openings become visible (entrance

Anso-Mite Plus

stages are beige, droplet-shaped mites. Eggs are oblong and transparent white. Adults are about 0.5 mm in size. Predatory mites are usually found on 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

Tarnished plant bug

begin to appear a few weeks after feeding injuries are incurred: Buds turn white, fail to develop and drop off; Leaves developing from damaged buds are ragged

Cyclamen mite

long as they are wide. Both ends are equally rounded. The larvae are opaque white and have only three pairs of legs. They develop into the resting stage (pharate

Fusarium spp.

the stem, brown discolouration occurs. Infected glumes and kernels become white, due to dehydration, and later turn pinkish-red as spores are formed. Ear

How to protect bumblebees from heat

air movement, the range in a semi-closed greenhouse is 70-85%. Download white paper