Table 1 Abdominal status and human blood indices (HBI) determined by molecular assays of visually fed and unfed anophelines at three field sites in southern Africa
Site | An. vector species | Fed visually (%) | Visually Fed and confirmed molecularly # (%) | HBI * | Visually Unfed but Fed by Kent PCR (%) | Visually Unfed, unfed by Kent PCR, Fed by Fornadel PCR (%) | Overall PCR confirmed Fed a (%) | Under-estimation of blood feeding frequency b (%) | Updated HBI c |
|---|---|---|---|---|---|---|---|---|---|
Macha (n = 643†) | arabiensis (n = 643) | 11.7 | 7.5 | 0.96 | 3.9 | 11.5 | 22.1 | 10.4 | 0.87 |
Nchelenge Mar-Apr 2012 (n = 411) | funestus s.s. (n = 343) | 32.4 | 32.4 | 1.00 | 0.86 | 8.26 | 38.5 | 6.1 | 1.00 |
gambiae s.s. (n = 36) | 25.0 | 25.0 | 1.00 | 3.7 | 15.4 | 38.9 | 13.9 | 1.00 | |
leesoni (n = 32) | 18.8 | 18.8 | 0.75 | 7.7 | 16.7 | 37.5 | 18.7 | 0.80 | |
Mutasa Dec 2012 (n = 84) | funestus s.s. (n = 84) | 30.5 | 30.5 | 0.96 | 0.0 | 5.26 | 35.4 | 4.9 | 0.93 |
leesoni (n = 2) | 0.0 | 0.0 | --- | 0.0 | 0.0 | 0.0 | --- | --- |