Anonym 1927: [Baldus, K.] Entomological News , Philadelphia 38, B15 10004, pp. 262
Anonym 1927: [Baldus, K.] Science N.S. 66, pp. 129
Spek, J. 1927: [Baldus, K.] Zoologischer Anzeiger, Leipzig 73, B15: 10885, pp. 48