their thigmotactic behaviour. Damage around the calyx appears as silver white blemished areas when fruit is small, which may become brown when exposed
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless tobacco aphids (
Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected
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
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
spaces. After inserting their mouthparts to start feeding, they produce a white, waxy, and cottony cover, forming the typical appearance of the shield after
miner ( Tuta absoluta ) are cylindrical. Their colour varies from creamy white to bright yellow, darkening in the embryonic phase and becoming almost black
the stem, brown discolouration occurs. Infected glumes and kernels become white, due to dehydration, and later turn pinkish-red as spores are formed. Ear
with wet sticky glue. Available colours and sizes Colours : yellow, blue, white, red, black and transparent Standard sizes: 5, 15 and 30 cm x 100 m 15 cm