Skip to main content

Table 3 Cumulative BG-Sentinel™ trap catches for immediate release (IR) 1 and delayed release (DR) 2 trials with Ae. aegypti 3 exposed to transfluthrin-treated fabrics

From: Effect of Aedes aegypti exposure to spatial repellent chemicals on BG-Sentinel™ trap catches

  Cumulative mean percentage (±SD) of released Ae. aegypti recaptured by time point4  
Release 5 / Treatments ←‒‒‒‒‒Day 1‒‒‒‒‒→ ←‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒Day 2‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒→ ←‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒Day 3‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒→   Mean day-time (12 hr) conditions
  13:30 h 17:30 h 05:30 h 09:30 h 13:30 h 17:30 h 05:30 h 09:30 h 13:30 h 17:30 h N6 Temp (°C) RH (%) Light intensity (lx/ft2)
IR a Control 81.8a (±11.1) 93.3a (±8.6) 93.8a (±7.6) 93.8a (±7.6) 93.8a (±7.6) 93.8a (±7.6) - - - - 180 /192 28.7 77.1 314.7
Transfluthrin (5 μg ai/cm2) 29.9c (±11.8) 44.8c (±18.7) 44.8c (±18.7) 44.8c (±18.7) 44.8c (±18.7) 44.8c (±18.7) - - - - 39/87 27.2 83.4 97.1
Transfluthrin (2.5 μg ai/cm2) 53.9b (±16.0) 74.7b (±9.3) 76.0b (±9.3) 76.0b (±9.3) 76.0b (±9.3) 76.0b (±9.3)      117/154 26.1 37.1 120.3
DR b               
Control - - - 79.2a (±9.4) 93.9a (±4.3) 93.9a (±4.3) 93.9a (±4.3) 93.9a (±4.3) 93.9a (±4.3) 93.9a (±4.3) 185/197 28.0 78.6 308.3
Transfluthrin (5 μg ai/cm2) - - - 65.6a (±18.3) 70.9a (±16.4) 70.9a (±16.4) 70.9a (±16.4) 70.9a (±16.4) 70.9a (±16.4) 70.9a (±16.4) 43/61 26.8 85.8 98.0
Transfluthrin (2.5 μg ai/cm2) - - - 59.2a (±28.1) 89.6a (±4.6) 89.6a (±4.6) 89.6a (±4.6) 89.6a (±4.6) 89.6a (±4.6) 89.6a (±4.6) 92/138 25.7 37.7 126.8
  1. 1 Cohort exposed from 0600–1200 hours and released immediately afterwards.
  2. 2 Cohort exposed from 1200–1800 hours but released only after a holding period of 12 h.
  3. 3 3–5 day old starved females.
  4. 4 Different lowercase letters in the same column indicate significant differences between mean recapture percentages for released females within release trial types (IR or DR; Kruskal-Wallis 95% confidence limit ) or between IR and DR trials (Mann-U Whitney Test, 95% confidence limit).
  5. 5 Different lowercase letters in the same column indicate significant differences between mean recapture percentages for released females between IR and DR trials (Mann-U Whitney Test, 95% confidence limit).
  6. 6Total recaptured /total released minus total knock down.