Figure 2From: Associations of passerine birds, rabbits, and ticks with Borrelia miyamotoi and Borrelia andersonii in Michigan, U.S.A.Phenology of larval and nymphal bird-associated ticks. A) Ixodes dentatus; B) H. leporispalustris depicted as weekly mean proportions of infested birds (error bars are standard error of the mean across years 2004–2007).Back to article page