C. V.  Riley, ?Systematic relations of Platypsyllus as determined by the larva?, Insect lifepttts, Washington, vol. 1, pp. 303-306., 1888.

C. V.  Riley, ?Platypsyllus egg and ultimate larva?, ENam, vol. 6, pp. 27-30., 1890.

C. V.  Riley, ?Platypsyllus egg and ultimate larva?, Insect life, Washington, vol. 2, pp. 244-246., 1890.

C. V.  Riley, ?Notes on the larva of Platypsyllus?, PSew, vol. 2, pp. 27-28., 1890.