Yellow rose aphid
General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of [...] result, the plant’s growth is retarded giving rise to deformed leaves. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has [...] At the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses attacking st