Study area | Species | Trap method | Sex ratio difference (P-value)b | |||||||
---|---|---|---|---|---|---|---|---|---|---|
BG-sentinel trap | CDC light trap | |||||||||
Total | Male | Female | F rate (95 % CI)a | Total | Male | Female | F rate (95 % CI)a | |||
Tonghe (urban) | Number of trap days | 864 | Â | Â | Â | 864 | Â | Â | Â | Â |
Aedes albopictus | 6211 | 3641 | 2570 | 0.41 [0.40, 0.43] | 1389 | 790 | 599 | 0.43 [0.41, 0.46] | 0.23 | |
Culex quinquefasciatus | 11,365 | 7588 | 3777 | 0.33 [0.32, 0.34] | 8071 | 4758 | 3313 | 0.41 [0.40, 0.42] | <Â 0.0001 | |
Armigeres subalbatus | 46 | 25 | 21 | 0.46 [0.32, 0.60] | 83 | 49 | 34 | 0.41 [0.31, 0.52] | 0.60 | |
Toxorhynchites splendens | 1 | 1 | 0 | n.a. | 8 | 5 | 3 | 0.38 [0.14, 0.69] | n.a. | |
Total No. | 17,623 | 11,255 | 6368 | Â | 9551 | 5602 | 3951 | Â | Â | |
Liangtian (suburban) | Number of trap days | 876 | Â | Â | Â | 864 | Â | Â | Â | Â |
Aedes albopictus | 2181 | 1200 | 981 | 0.45 [0.43, 0.47] | 385 | 195 | 190 | 0.49 [0.44, 0.54] | 0.11 | |
Culex quinquefasciatus | 18,442 | 12,517 | 5925 | 0.32 [0.31, 0.33] | 31,288 | 16,233 | 15,055 | 0.48 [0.48, 0.49] | <Â 0.0001 | |
Armigeres subalbatus | 152 | 91 | 61 | 0.40 [0.33, 0.48] | 184 | 114 | 70 | 0.38 [0.31, 0.45] | 0.70 | |
Toxorhynchites splendens | 3 | 1 | 2 | 0.67 [0.21, 0.94] | 14 | 10 | 4 | 0.29 [0.12, 0.55] | 0.51 | |
Total No. | 20,778 | 13,809 | 6969 | Â | 31,871 | 16,552 | 15,319 | Â | Â |