Research Article

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).

MonthHours collectedDays collectedSimulium ochraceumSimulium metallicum
Number capturedBiting rate per hour*Biting density§Number captured

December224717434.2 (3.5–5.1)1309 (1075–1581)1603
January288912302.5 (2.1–2.9)769 (650–903)911
February25686031.5 (1.2–1.8)420 (347–500)1055
March25687751.6 (1.3–2)501 (403–611)864
April25682360.4 (0.3–0.6)130 (93–170)479

Total12804045871.8 (1.6–2)2693 (2454–2945)4912

G e o m e t r i c 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).