The Pine Processionary is a butterfly whose larvae (or caterpillars) develop on conifers, pines in particular, causing damage to plants and causing epidermal and allergic reactions to people and warm-blooded animals. The larvae of the pine processionary are present on plants from autumn until the following spring, when they reach maturity they descend along the trunks in long lines and burrow themselves to transform first into a chrysalis and then into an adult. The appearance of the latter is recorded in summer, but a variable proportion of pupae can stop development and give rise to adults after a varying number of years, while in autumn it is difficult to identify the first nests formed by the larvae by gathering with a lassa net of silk threads some needles, in the winter period the presence of this insect is easily detectable due to the conspicuousness of the large whitish wintering nests, built on the sunniest part of the foliage of the attached plants. which each individual remains in contact with that which precedes him. The mature larvae have a black head and a grayish dorsally body on which the tawny red of the tufts of stinging hair stands out: on the side there are long whitish hairs and the color tends to yellowish.
In winter (December - January - February) the processionary nests are collected and destroyed, operations to be carried out with the utmost caution to avoid any contact with the stinging hairs of the larvae. At the end of summer (end of August - beginning of September) the foliage is treated with microbiological insecticide with doses of 100 - 150 grams of product in 100 liters of water. These disinfestation treatments provide excellent results against the first and second age processionary larvae. Ecopiakos always uses organic and eco-compatible products for the disinfestation of the processionary moth.
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