Photo de tomisoïdeu menjant Aphis asclepiadis, Anurag Agrawal, Phytophagy Laboratory, Department of Ecology and Evolutionary Biology and Department of Entomology at Cornell University.
About 10% of aphid species produce generations that alternate between woody and herbaceous plants (page 87 of Bugs of the World, George C. McGavin, Facts on File, 1993).