From: Wild populations of malaria vectors can mate both inside and outside human dwellings
Experiments | Collection time point | Anopheles funestus | Anopheles arabiensis | ||||||
---|---|---|---|---|---|---|---|---|---|
No. females collected | Proportion inseminated (95% CI)a | OR (95%CI) for insemination | P-value | No. females collected | Proportion inseminated (95% CI)a | OR (95% CI) for insemination | P-value | ||
Round 1 of studies in experimental huts in rural Tanzania (14 nights) | Evening (6:00 p.m.) | 191 | 60.7% (53.5 - 67.9) | Reference | Â | 228 | 60.6% (55.8 - 65.4) | Reference | Â |
Night (11:00 p.m.) | 175 | 79.6% (74.5 - 84.7) | 2.39 (1.50–3.79) |  < 0.001 | 240 | 80.4% (76.3 - 84.5) | 2.54 (1.69–3.83) |  < 0.001 | |
Morning (6:00 a.m.) | 123 | 92.8% (89.0 - 96.6) | 6.10 (3.14–11.85) |  < 0.001 | 179 | 88.1% (83.7 - 92.5) | 4.91 (2.90–8.31) |  < 0.001 | |
Round 2 of studies in experimental huts in rural Tanzania (10 nights) | Evening (6:00 p.m.) | 17 | 25% (5.2 - 44.8) | Reference | Â | 37 | 46.1% (38.1 - 54.1) | Reference | Â |
Night (11:00 p.m.) | 12 | 71.4% (42.3 - 100) | 2.28 (1.14–3.51) | 0.071 | 36 | 72.4% (55.2 - 89.6) | 2.46 (1.36–4.58) | 0.046 | |
Morning (6:00 a.m.) | 16 | 83.3% (67.0 - 99.6) | 3.12 (1.26–5.42) |  < 0.001 | 36 | 74.6% (62.1 - 87.1) | 4.42 (2.02–6.21) |  < 0.001 | |
Studies in village houses in rural Tanzania occupied by local villagers | Evening (6:00 p.m.) | 130 | 75.5% (67.8 - 83.2) | Reference | Â | 115 | 80.9% (72.8 - 89.0) | Reference | Â |
Night (11:00 p.m.) | 107 | 85.9% (78.8 - 93.0) | 2.09 (1.06–4.14) | 0.03 | 128 | 87.6% (81.7 - 93.5) | 1.63 (0.83–3.19) | 0.15 | |
Morning (6:00 a.m.) | 113 | 94.7% (90.7 - 98.7) | 6.14 (2.56–14.74) |  < 0.001 | 126 | 91.2% (86.5 - 95.9) | 2.79 (1.30–6.02) | 0.01 |