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Table 2 Types of aquatic habit sampled and number/proportion positive for larvae

From: Spatial and temporal distribution of the malaria mosquito Anopheles arabiensis in northern Sudan: influence of environmental factors and implications for vector control

Habitat type* Dongola Merowe Combined
No. sampled No. positive % positive No. sampled No. positive % positive No. sampled No. positive % positive
Container 138 0 0.0 536 5 0.9 674 5 0.7
Canal (flowing) 167 2 1.2 273 2 0.7 440 4 0.9
Canal (stagnant) 130 3 2.3 213 11 5.2 343 14 4.1
Flooded field 67 2 3.0 164 4 2.4 231 6 2.6
Domestic drain 69 2 2.9 146 8 5.5 215 10 4.7
Tap 137 2 1.5 65 5 7.7 202 7 3.5
Riverbank 119 35 29.4 82 42 51.2 201 77 38.3
Water tank 1 0 0.0 144 8 5.6 145 8 5.5
Underground pipe 64 23 35.9 77 16 20.8 141 39 27.7
Cistern 58 0 0.0 53 1 1.9 111 1 0.9
Brickworks 54 15 27.8 53 14 26.4 107 29 27.1
Canal seepage 79 19 24.1 27 6 22.2 106 25 23.6
Animal water pool 31 2 6.5 58 12 20.7 89 14 15.7
Surface pipe 24 5 20.8 58 7 12.1 82 12 14.6
Khor 7 3 42.9 67 15 22.4 74 18 24.3
Culvert 47 2 4.3 8 3 37.5 55 5 9.1
Grassy knoll 50 30 60.0 5 2 40.0 55 32 58.2
Underground pump 35 5 14.3 16 3 18.8 51 8 15.7
Flood pool 1 1 100.0 11 1 9.1 12 2 16.7
Well 3 3 100.0 8 0 0.0 11 3 27.3
All habitats 1,281 154 12.0 2,064 165 8.0 3,345 319 9.5
  1. *Excludes four sites where habitat type was not recorded