Yellow rose aphid
their presence in the crop. The yellow rose aphid is holocyclic in North America (i.e. they mate in autumn and produce eggs to overwinter). It is also holocyclic [...] ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses [...] General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of