H.  Henrot, ?Note sur Choleva bicolor Jeannel?, RVfe, vol. 12, p. 116., 1945.

D. K.  Kevan, ?The aedeagi of the british species of the genera Ptomaphagus Ill., Nemadus Th., Nargus Th., Bathyscia Sch. (Col. Cholevidae)?, EMmg, vol. 81, pp. 121-125., 1945.