Table 1.
Numbers of female mosquitoes caught using different trapping methods
| Trapping method | Total catch | Mean catch per night (95% CI) | Relative capture rate (95% CI) | p-value |
|---|---|---|---|---|
|
Anopheles gambiae s.l. |
|
|
|
|
| HLC indoor |
208 |
1.96 (1.39, 2.54) |
1.00* |
NA |
| HLC outdoor |
180 |
1.70 (1.13, 2.27) |
1.01 (0.76, 1.34) |
0.947 |
| CDC light trap |
225 |
2.12 (1.36, 2.89) |
1.18 (0.55, 2.54) |
0.666 |
| Ifakara Tent Trap |
213 |
2.01 (1.55, 2.47) |
1.39 (0.88, 2.19) |
0.153 |
| Window exit trap |
117 |
1.10 (0.66, 1.54) |
0.52 (0.30, 0.91) |
0.022 |
| Pot resting trap indoor |
8 |
0.08 (0.01, 0.14) |
0.05 (0.02, 0.11) |
<0.001 |
| Pot resting trap outdoor |
48 |
0.45 (0.26, 0.64) |
0.32 (0.12, 0.87) |
0.025 |
| Box resting trap indoor |
0 |
0.00# |
0.00# |
NA |
| Box resting trap outdoor |
13 |
0.12 (0.05, 0.19) |
0.08 (0.04, 0.14) |
<0.001 |
|
Anopheles funestus |
|
|
|
|
| HLC indoor |
43 |
0.41 (0.20, 0.61) |
1.00* |
NA |
| HLC outdoor |
20 |
0.19 (0.05, 0.33) |
0.47 (0.32, 0.70) |
<0.001 |
| CDC light trap |
29 |
0.27 (0.12, 0.43) |
0.69 (0.49, 0.98) |
0.04 |
| Ifakara Tent Trap |
52 |
0.49 (0.27, 0.71) |
1.21 (0.88, 1.68) |
0.245 |
| Window exit trap |
20 |
0.19 (0.08, 0.30) |
0.49 (0.36, 0.65) |
<0.001 |
| Pot resting trap indoor |
0 |
0.00# |
0.00# |
NA |
| Pot resting trap outdoor |
1 |
0.01 (0.00, 0.03) |
0.02 (0.00, 0.24) |
0.001 |
| Box resting trap indoor |
0 |
0.00# |
0.00# |
NA |
| Box resting trap outdoor |
0 |
0.00# |
0.00# |
NA |
|
Culex spp. |
|
|
|
|
| HLC indoor |
4915 |
46.37 (36.96, 55.78) |
1.00* |
NA |
| HLC outdoor |
6566 |
61.94 (51.78, 72.10) |
1.49 (1.10, 2.00) |
0.009 |
| CDC light trap |
1122 |
10.58 (6.82, 14.35) |
0.21 (0.15, 0.31) |
<0.001 |
| Ifakara Tent Trap |
1406 |
13.26 (7.69, 18.84) |
0.38 (0.20, 0.72) |
0.003 |
| Window exit trap |
271 |
2.56 (1.35, 3.77) |
0.07 (0.03, 0.13) |
<0.001 |
| Pot resting trap indoor |
81 |
0.76 (0.48, 1.05) |
0.02 (0.01, 0.03) |
<0.001 |
| Pot resting trap outdoor |
80 |
0.75 (0.38, 1.13) |
0.02 (0.01, 0.04) |
<0.001 |
| Box resting trap indoor |
26 |
0.25 (0.06, 0.43) |
0.00 (0.00, 0.01) |
<0.001 |
| Box resting trap outdoor | 58 | 0.55 (0.14, 0.96) | 0.01 (0.00, 0.02) | <0.001 |
Data were combined across all four districts (106 nights for each trap type). Catch rates (relative to HLC indoor), 95% confidence interval, and p-value were calculated using negative binomial regression models. Relative capture rates statistically different from HLC indoor (p < 0.05) are indicated in bold.
* Reference collection method.
# Trap types that captured zero females were excluded from the model for that species.