Species | Transmitted diseases/medical significance | Location of larval collection | Period of larval collection | Nature of habitat (numbers of sites with larvae) | Average larval number per site in 350ml/ dip | Salinity range of brackishwater habitats withlarvae (ppt) |
---|---|---|---|---|---|---|
Aedes aegypti | Dengue, Chikungunya | Kurunagar | 2011Sep – 2012 May | Used well (27) | 6 | 2-9 |
Kurunagar | 2011 Sep | Barrel (1) | 35 | 10 | ||
Aedes albopictus | Dengue, Chikungunya | Sarasalai | 2012 Jan | Tube near brackishwater mangrovemarsh (1) | 10 | 4 |
Sarasalai | 2012 Jan | Battery box in brackishwater mangrovemarsh (1) | 8 | 4 | ||
Anopheles subpictus | Malaria | Delft | 2012Feb-April | Pond (2) | 14 | 2-6 |
Nainativu | 2012 April | Used well (20) | 17 | 4-39 | ||
Passaiyoor | 2011 Aug | Disused boats (2) | 4 | 15-18 | ||
Kurunagar | 2011 Sep | Used well (3) | 7 | 2-6 | ||
Sarasalai | 2012 Jan | Pit in brackish water mangrove marsh (2) | 11 | 10-12 | ||
Pannai bridge | 2012 May | Brackish water mangrove marsh (1) | 3 | 10 | ||
Anopheles barbirostris | Malaria | Delft | 2012 April | Used well (3) | 4 | 5-6 |
Sarasalai | 2012 Jan | Pit near brackish water mangrove marsh (1) | 2 | 4 | ||
Nainativu | 2012 April | Used well (1) | 3 | 15 | ||
Anopheles varuna | Malaria | Delft | 2012 Jan-April | Used well (11) | 4 | 2-4 |
Anopheles culicifacies | Malaria | Delft | 2012 Jan-April | Used well (3) | 3 | 2-4 |
Sarasalai | 2012 Jan | Brackish water mangrove marsh (1) | 2 | 4 | ||
Culex sitiens | Japanese encephalitis, Ross River fever and filariasis | Kurunagar | 2011 Sep- | Disused boats (1) | 35 | 20 |
Kurunagar | 2011 Sep-2012 Jan | Used wells (2) | 28 | 2-6 | ||
Nainativu | 2011Aug - 2012 May | Used wells (18) | 24 | 2-39 | ||
Sarasalai | 2012 Jan | Pit near brackish water mangrove marsh (1) | 6 | 12 | ||
Delft | 2012 March | Pond (5) | 9 | 4-6 | ||
Pannai bridge | 2012 May | Brackish water mangrove marsh (1) | 5 | 68 | ||
Lutzia fuscanus | Not a vector but feeds on larvae of mosquito vectors | Nainativu | 2011 Oct | Used well (1) | 5 | 10 |