Table 3.
Entomological collections in the Huehuetenango focus (from November 2007 to April 2008).
| Month | Hours collected | Days collected | Simulium ochraceum | Simulium metallicum | ||
|---|---|---|---|---|---|---|
| Number captured | Biting rate per hour∗ | Biting density§ | Number captured | |||
| November | 57 | 2 | 1641 | 16.7 (11.4–24.2) | 5019 (3432–7270) | 796 |
| December | 160 | 5 | 2745 | 12.7 (10.8–15) | 3951 (3346–4655) | 2639 |
| January | 252 | 8 | 1558 | 4.5 (3.9–5.1) | 1381 (1194–1589) | 3020 |
| February | 256 | 8 | 1083 | 2.5 (2.1–3) | 726 (602–865) | 2025 |
| March | 252 | 8 | 963 | 1.9 (1.6–2.4) | 600 (483–732) | 1753 |
| April | 243 | 8 | 262 | 0.7 (0.5–0.8) | 203 (158–252) | 1240 |
|
| ||||||
| Total | 1220 | 39 | 8252 | 3.2 (2.9–3.5) | 5765 (5263–6300) | 11473 |
*Geometric mean of biting rate per hour (95% CI).
§Number of black fly bites per person per month (geometric mean biting rate per hour ×10 hours per day × number of days in a month) (95% CI).