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Table 4 Detection sensitivity of larval stages in different aquatic mosquito larval habitat types and categories by CORPs

From: Achieving high coverage of larval-stage mosquito surveillance: challenges for a community-based mosquito control programme in urban Dar es Salaam, Tanzania

   Anophelines Culicines
   Number of habitats found with larvae by a Proportion detected by CORPs (%) Number of habitats found with larvae by a Proportion detected by CORPs (%)
   CORPs Investigator   CORPs Investigator  
Natural Habitats Marsh/swampy areas 5 24 20.8 10 13 76.9
  Riverbeds 1 2 50.0 18 23 78.3
  Seepages 0 1 0.0 1 2 50.0
  Subtotal 6 27 22.2 29 38 76.3
Agricultural artificial habitats        
  Rice paddies 0 2 0.0 0 1 0.0
  Matuta 4 9 44.4 7 9 77.8
  Other agriculture 1 5 20.0 0 1 0.0
  Subtotal 5 16 31.3 7 11 63.6
Non-agricultural artificial habitats        
  Tyre tracks/puddles 1 14 7.1 15 21 71.4
  Drains 7 14 50.0 122 165 73.9
  Construction sites 9 24 37.5 68 91 74.7
  water storage containers 0 0 0.0 14 32 43.8
  Ponds 1 2 50.0 6 6 100.0
  Subtotal 18 54 33.3 225 315 71.4
  Total 29 97 29.9 261 364 71.7
  1. aout of those habitats that were recorded as wet by the CORPs during their routine surveys