Elimination of Onchocerca volvulus Transmission in the Huehuetenango Focus of Guatemala
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
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).