J. O.  Westwood, Synopsis of the genera of British insects. In: An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families, vol. 2 (appendix). London: Longman, Orme, Brow, Green & Longmans, 1838, p. 158.

J. O.  Westwood, The cabinet of Oriental entomology. London: W. Smith, 1847, p. 88.