From the Editors Gallery | June 2018 homepage image 1 Generalist herbivores are likely to play an important role in the evolution of the vast chemical arsenal of tropical plant species. Photo by Magno Vásquez Pilco. Patrick Goymer Jun 11, 2018 Share Tweet Share Share Salazar, D. et al. Origin and maintenance of chemical diversity in a species-rich tropical tree lineage. Nat. Ecol. Evol. 2, 983-990 (2018).