D. J. Heylen, I. Jacobs, E. Matthysen, and M. Madder, “Comments on article ”First report of Ixodes frontalis (Acari: Ixodidae) in Finland, an example of foreign tick species transported by a migratory bird” (Memoranda Soc. Fauna Flora Fennica 85:16–19. 2009)”, mem, Dec. 2012.