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Table 1 Ixodes ricinus sampled between 2009 and 2010 from ten provinces in Belgium (S = number of sampling; N.N = number of nymphs; N.A = number of adults; “-” = not sampled)

From: A multi-level analysis of the relationship between environmental factors and questing Ixodes ricinus dynamics in Belgium

Province Year (20-) Spring (Mar–May) Summer (Jun–Aug) Autumn (Sep–Nov) Nymphs per 100 m² Adults per 100 m²
S N.N N.A S N.N N.A S N.N N.A
Flanders Antwerp 09 4 627 103 1 245 15 3 194 14 26.7 3.3
10 3 513 22 4 578 82 2 217 16 29.1 2.7
East Flanders 09 4 219 84 2 427 50 21.5 4.5
10 5 1683 47 2 541 32 63.5 2.3
Flemish Brabant 09 10 2769 278 6 2393 109 11 1458 204 49.0 4.4
10 8 2420 161 6 1802 44 2 529 30 59.4 2.9
Limburg 09 2 153 16 1 298 45 2 334 37 31.4 3.9
10 1 455 14 3 818 33 1 142 7 56.6 2.2
West Flanders 09 2 0 1 2 23 8 1.2 0.5
10 3 2 1 3 3 0 0.2 0.0
Wallonia Hainaut 09 1 125 3 25.0 0.6
10 3 65 11 2 5 1 2.8 0.5
Liege 09 1 10 0 3 144 8 7.7 0.4
10 3 140 9 1 26 1 8.3 0.5
Luxembourg 09 1 46 10 3 196 21 12.1 1.6
10 1 86 3 17.2 0.6
Namur 09 3 107 33 1 42 9 1 33 4 7.3 1.8
10 4 397 30 2 295 16 1 80 12 22.1 1.7
Walloon Brabant 09 1 85 51 17.0 10.2
10
All (ten) provinces 09 28 4016 576 20 3893 268 17 2019 259 30.5 3.4
   10 31 5761 298 23 4068 209 6 968 65 36.0 1.9