Wattenwyl, K.F. Brunner von (1907) Phasmiden Die Insektenfamilie der Phasmiden. II. Phasmidae Anareolatae (Clitumnini, Lonchodini, Bacunculini).(Usually bound in one volume, Brunner & Redtenbacher 1906-08, published in three parts: Redtenbacher 1906, 1908; Brunner 1907). Verlag Engelmann, Leipzig. Available from: http://www.archive.org/details/DieInsektenfamilieDerPhasmiden.Vol.Ii.PhasmidaeAnareolataeclitumnini 181-338, pls 7-15