Dispons & Stichel, 1959 (key, redescr.); P.V. Putshkov, 1987c (fig., key, tax.); Reuter, 1913 (redescr.); Ribes, 1974a (fig., key); Villiers, 1967b (fig., key, redescr.).
Distribution: Katbeh et al., 2000 (Jordan); P.V. Putshkov & Moulet, 2010 (Canary islands tropical Africa); Rieger, 2012b (Malta).