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Table 1 The number of I. scapularis collected between 2000 and 2011 from different regions of North America

From: Genetic variation in the mitochondrial 16S ribosomal RNA gene of Ixodes scapularis (Acari: Ixodidae)

Region No. of adventitious ticks No. of ticks from established populations Total
Canada    
Prairie Provinces    
  Alberta (AB) 2 0 2
  Saskatchewan (SK) 6 0 6
  Manitoba (MB) 6 90 96
Central Provinces    
  Ontario (ON) 12 154 166
  Quebec (QC) 22 0 22
Atlantic Provinces    
  New Brunswick (NB) 6 0 6
  Prince Edward Island (PE) 3 0 3
  Nova Scotia (NS) 11 0 11
  Newfoundland (NL) 2 0 2
United States    
  Midwest    
  Minnesota (MN) 0 168 168
Northeast    
  Rhode Island (RI) 0 100 100
Total 70 512 582
  1. All ticks were adults, except for those from Rhode Island which were questing nymphs.
  2. The locations of the established populations are shown in Figure 1.