Ho, G. W.-C. “Notes on the Genera Sinophasma Günther, 1940 and Pachyscia Redtenbacher, 1908 (Phasmatodea: Diapheromeridae: Necrosciinae), With the Description of Four New Species from China”. Zootaxa, vol. 3495, no. 1, Sept. 2012, pp. 57–72, doi:10.11646/zootaxa.3495.1.3.