From: Daily blood feeding rhythms of laboratory-reared North American Culex pipiens
 |  | Elapsed time to feeding in hours (2.5%, 97.5% CIs) | |
---|---|---|---|
Treatment | Population | Mean | Median |
Preferred blood type without CO2 | C.p. f. pipiens PENN | 1.5 (1.2, 1.9) | 0 (0, 0) |
 | C.p. f. pipiens CGO | 5.2 (4.7, 5.7) | 6 (3, 6) |
 | C.p. f. molestus | 6.7 (5.9, 7.5) | 6 (6, 6) |
Non-preferred blood type without CO2 | C.p. f. pipiens PENN | 1.5 (1.2, 1.9) | 0 (0, 3) |
 | C.p. f. molestus | 9.1 (8.3, 10.0) | 9 (9, 9) |
Preferred blood type with CO2 | C.p. f. pipiens PENN | 1.8 (1.4, 2.2) | 0 (0, 3) |
 | C.p. f. pipiens CGO | 4.1 (3.8, 4.4) | 3 (3, 3) |
 | C.p. f. molestus | 5.3 (4.7, 5.9) | 6 (3, 6) |