[1]
Stratopoulou, E.T. and Kapatos, E.T. 1992. Phenology of Population of Immature Stages of Pear Psylla, Cαcopsyllα pyri, in the Region of Magnesia (Greece). ENTOMOLOGIA HELLENICA. 10, (Jan. 1992), 11–17. DOI:https://doi.org/10.12681/eh.13998.