Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Reproduction of the mottled arum
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Wingless females of the shallot
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Wingless females of the buckthorn-
bacterial exudate forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions may merge as they grow and later also become
activity level gradually drops. At higher temperatures, the bumblebees stop flying. From the moment, the bumblebees will occupy themselves with cooling the
basket of the trap When using the kairomone: place the kairomone in the white bucket of the trap Pheromone and kairomone can be used simultaneously Application
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The black bean aphid is dark
are 0.3 mm long and have legs, but soon settle to form circular, initially white scales. Circular scales reproduce sexually. Adult females lay 50-150 eggs
effective against insect pests such as caterpillars , grubs, beetle larvae , and fly larvae . Steinernema carpocapsae nematodes are often applied to the soil or
Fusarium and Sclerotinia and beneficial nematodes , Capirel , against onion fly (Delia Antiqua). The partnership with Koppert also has strengthened his view