only marginally significantp <0.001
The tibia length of adults from both aphid species were smaller on the infected plants than on the non-infected plants ( Table S1 ), although the effect was only marginally significant for R. padi ( M. dirhodum : F 1,72 = 43.22, p <0.001; R. padi : F 1,83 = 3.61, p = 0.061).