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Table 4 Duration in days and dates of the seasonally vector-free periods at the 7 collection sites

From: Longitudinal monitoring of Culicoides in Belgium between 2007 and 2011: local variation in population dynamics parameters warrant cautious use of monitoring data

  2007/2008 2008/2009 2009/2010 2010/2011 2011/2012
Nijlen 197 (09.10–22.04) 127 (25.11–31.03) 201 (12.11–31.05) 211 (21.09–19.04) 147 (08.11–03.04)
Varendonk 147 (20.11–15.04) 140 (12.11–31.03) 183 (06.10–06.04) 163 (08.11–19.04) 140 (08.11–27.03)
Neerpelt 190 (16.10–22.04) 199 (07.10–23.04) – (06.10)
Frahan 154 (20.11–22.04) 183 (21.10–21.04) – (17.11)
Goronne 183 (29.10–28.04) 190 (21.10–28.04) – (10.11)
Verlaine 177 (29.10–22.04) 198 (06.10–21.04) 197 (17.11–01.06) 154 (03.11–05.04) 166 (28.10–11.04)
Gembloux 170 (16.10–02.04) 176 (21.10–14.04) 183 (27.10–27.04) 168 (20.10–05.04) 141 (08.11–28.03)
Difference in daysa 50 72 18 57 26
  1. aDifference in days between sites with the longest and shortest vector free period