Aswathanarayana, N. V. and Ashwath, S. K. (2005) “Karyotype Characteristics of Forty-One Species of Orthoptera and Their Evolutionary Trends at the Family Level”, Records of the Zoological Survey of India, 104(1-2), pp. 157–164. doi: 10.26515/rzsi/v104/i1-2/2005/159331.