air movement, the range in a semi-closed greenhouse is 70-85%. Download white paper
scale) • Parlatoria pergandii (chaff scale) • Pseudalacaspis pentagona (white scale) • Quadraspidiotus perniciosus (San José scale) Soft scales • Part [...] small and covered by a scale. They are oval/ round and vary in colour from white to dark-brown. The scale is not connected to the body. What damage symptoms
control the main pests that affect the papaya crop, such as European red mite, white mite, whitefly , aphids and leafhoppers through the release and establishment
female is about 1.5-2 mm in length and brown, with distinctive black and white banded antennae. The male is 0.8 mm in length and black in colour. Anagyrus
plant foliage or near mealybug-infested areas. They are typically yellow-white in color and may be found attached to leaves. Larval stage: Cryptolaemus
control in its raspberry production when it successfully controlled the white mite, a pest that had been a major problem for several berry growers in the
m spp.) are often found growing on this honeydew, which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected
thrips are real chameleons! Females of the western flower thrips can be white, but they can also be yellow, orange, or dark brown. The male is paler, smaller
mites, on the other hand, move very fast. They’re also translucent, a little white or sometimes brownish, and their body is pear-shaped. If many more predatory
types of mildew fungi, which flourish on living cells. They all appear as white powder. Severely affected leaves turn yellow and fall off. A serious mildew
