Roonwal, M. L. “Eye-Stripes and Pigmentation in Grasshoppers (Orthoptera, Acridoidea) : Types, Biological Significance and Applied Importance”. Records of the Zoological Survey of India, vol. 76, no. 1-4, Dec. 1980, pp. 147-88, doi:10.26515/rzsi/v76/i1-4/1980/161872.