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Table 2 Larvae data shown for species ( Cx. modestus, An. maculipennis s.l. , Cx. pipiens s.l./ Cx. torrentium, Cx . species), and sites (Chetney, Cliffe, Elmley, Northward Hill and Oare)

From: Enhanced West Nile virus surveillance in the North Kent marshes, UK

Site Number sampling points (3×250ml) Water surveyed (litres) Total number larvae Mean larvae per litre (L s ) ± SE Mean Cx. modestus per litre (L s ) ± SE Mean An. maculipennis s.l. per litre (L s ) ± SE Mean Cx. pipiens s.l./ Cx. torrentium per litre (L s ) ± SE Mean Cx. species per litre (L s ) ± SE
Chetney 114 85.5 1458 17.05 ± 5.51 2.20 ± 0.62 0.55 ± 0.17 10.25 ± 4.33 3.73 ± 3.56
Cliffe 154 115.5 1442 12.48 ± 2.04 5.91 ± 1.74 0.24 ± 0.06 3.20 ± 0.88 3.04 ± 1.02
Elmley 193 144.75 552 3.81 ± 0.50 2.07 ± 0.46 0.63 ± 0.17 0.22 ± 0.06 0.62 ± 0.22
Northward 97 72.75 119 1.64 ± 0.31 0.21 ± 0.10 1.22 ± 0.30 0.00 ± 0.00 0.14 ± 0.09
Oare 157 117.75 374 3.18 ± 0.34 0.43 ± 0.12 1.50 ± 0.28 0.69 ± 0.24 0.55 ± 0.15
All sites 715 536.25 3945 7.36 ± 1.01 2.31 ± 0.41 0.80 ± 0.09 2.53 ± 0.73 1.56 ± 0.61