Ateyyat, M. and Abu-Darwish, M. 2009. Short communication. Insecticidal activity of different extracts of Rhamnus dispermus (Rhamnaceae) against peach trunk aphid, Pterochloroides persicae (Homoptera: Lachnidae). Spanish Journal of Agricultural Research. 7, 1 (Mar. 2009), 160-164. DOI:https://doi.org/10.5424/sjar/2009071-415.