highly significantP < 0.005
Supplementary Material The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fphys.2019.00343/full#supplementary-material FIGURE S1 (A) Exemplary two-choice feeding assay using leaf disks of poplar (p) Populus nigra and willow (w) Salix viminalis indicates highly significant feeding preference of adult C. populi for poplar over willow ( ∗∗∗ P < 0.005; t -test); n = 5.