Apple JL, Grace T, Joern A, Amand P, Wisely SM. Comparative genome scan detects host-related divergent selection in the grasshopper Hesperotettix viridis. Molecular Ecology. 2010;19:4012 -4028. doi:10.1111/j.1365-294X.2010.04792.x.

Grace T, Dowell F, Joern A, Wisely SM, Brown SJ, Maghirang E. Divergent host plant adaptation drives the evolution of reproductive  isolation in the grasshopper Hesperotettix viridis (Orthoptera: Acrididae). Biological Journal of the Linnaean Society. 2010;100:866 -878. doi:10.1111/j.1095-8312.2010.01458.x.

Grace T, Joern A, Brown SJ, Apple JL, Wisely SM. Highly polymorphic microsatellites in the North American snakeweed grasshopper, Hesperotettix viridis. Journal of Orthoptera Research. 2009;18:19 -21. doi:10.1665/034.018.0111.

Grace T. Host associated genetic divergence and sexual isolation in the grasshopper Hesperotettix viridis (Orthoptera: Acrididae).  2009;PhD Dissertation:1 -127. Available at: http://hdl.handle.net/2097/1541.