Foliage from the Leuce section of Populus was rejected for feeding by Chrysomela scripta adults in a choice test involving 12 hybrid poplar clones. Adults showed a feeding preference for the foliage from the Tacamahaca clones when compared to the Aigeiros clones.
Harrell, M. O.; Benjamin, D. M.; Berbee, J. G.; and Burkot, T. R.
"Evaluation of Adult Cottonwood Leaf Beetle, Chrysomela Scripta (Coleoptera: Chrysomelidae), Feeding Preference for Hybrid Poplars,"
The Great Lakes Entomologist, vol 14
Available at: https://scholar.valpo.edu/tgle/vol14/iss4/4