Elimination of Onchocerca volvulus Transmission in the Huehuetenango Focus of Guatemala
Table 4
Entomological collections in the Huehuetenango focus (from December 2010 to April 2011).
Month
Hours collected
Days collected
Simulium ochraceum
Simulium metallicum
Number captured
Biting rate per hour*
Biting density§
Number captured
December
224
7
1743
4.2 (3.5–5.1)
1309 (1075–1581)
1603
January
288
9
1230
2.5 (2.1–2.9)
769 (650–903)
911
February
256
8
603
1.5 (1.2–1.8)
420 (347–500)
1055
March
256
8
775
1.6 (1.3–2)
501 (403–611)
864
April
256
8
236
0.4 (0.3–0.6)
130 (93–170)
479
Total
1280
40
4587
1.8 (1.6–2)
2693 (2454–2945)
4912
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).