DRAGAN, G. Invasive insect pests of introduced plants of the “Olexandria” Dendrological Park. Report 5: Notes on the biology of Pineus pineoides (Cholodkovsky, 1907) (Hemiptera, Adelgidae), a pest of Norway spruce. Plant Introduction, n. 111, p. 14-17, 27 ago. 2026.