G.  Kraatz, ?Über Murray's Monograph of Catops?, BEzt, vol. 2, pp. 24-36., 1858.

D.  Eichelbaum, ?Die Larven von Catops Watsoni Spence und Catops picipes (?) Fbr?, BEzt, vol. 46, pp. 9-14., 1901.