The distribution of Ceratophyllus borealis Rothschild, 1906, and C. garei Rothschild, 1902, with records of specimens intermediate between the two.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith