Pictorial key to nymphs of Haemaphysalis spp. occurring in North America.

 
 
  Part of: Egizi AM, Robbins RG, Beati L, Nava S, Evans CR, Occi JL, Fonseca DM (2019) A pictorial key to differentiate the recently detected exotic Haemaphysalis longicornis Neumann, 1901 (Acari, Ixodidae) from native congeners in North America. ZooKeys 818: 117-128. https://doi.org/10.3897/zookeys.818.30448