Invasive harmful species found in green spaces in the central area of Oltenia.
The main harmful organisms found in the green spaces of Craiova are Cydalima perspectalis Walker, Metcalfa pruinosa Say and Halyomorpha halys Stal. Cydalima perspectalis Walker being the main pest of Buxus sempervirens L, can cause weakening and death of plants, as well affects their aesthetics. Metcalfa pruinosa Say, is a polyphagous species that has become a serious pest in agriculture and green public space, the attacked plants stop growing, the differentiation of fruit buds no longer takes place, the fruits no longer grow, and the white waxy filaments produced by nymphs, gives an unsightly appearance to plants, while affecting their commercial value. Halyomorpha halys Stal is a polyphagous species, damage is caused by both nymphs and adults, and after the feeding process may appear scars, discolored areas on the fruit, decreasing the quality of the fruit.