deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can…
25 mm long, with the hind legs reduced to slender threadlike structures that are not used for walking. The males are smaller than the females and…
longer shelf life, but also in the number of productive weeks and, therefore, in the profitability of the business. The implementation of a biological…
aped), soft and segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages…
buds. Compared to the prepupa, the pupa has longer, more developed wing buds and longer antennae that are curved back over the head. The prepupal and…
occur on the underside of leaves where they pierce the cells and suck out the contents. The empty dead cells become yellow, and in many plants the…
skin, betraying their presence in the crop. The cotton aphid can be distinguished from other aphids by the colour of the two cornicles (siphunculi).…
play – breaching the monocultures of the oak and stimulating the natural enemies of the oak processionary caterpillar. As already stated, the use of…
species such as the citrus mealybug and the long-tailed mealybug . The predatory beetle Cryptolaemus montrouzieri is used for the control of the…
result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young…
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