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Table 3 Entomological data from light trap collections in 2009 on Bioko Island, Equatorial Guinea

From: Malaria transmission after five years of vector control on Bioko Island, Equatorial Guinea

      An. gambiae s.s. An. melas
Site No. collected(%) No. collection events Total no. trap nights/site Density Proportion L1014F Pf Sporozoite rate Proportion L1014F Pf Sporozoite rate
Mongola 1754 (43.0) 22 134 14.4 (±8.2) 99.7 (±0.6) 50.6 (±3.7) 1.4 (±1.3) 0.3 (±0.6) 0 0
Biabia 470 (11.5) 17 90 5.5 (±3.4) 99.0 (±1.1) 43.2 (±4.0) 0.7 (±0.9) 1.0 (±1.1) 0 33.3 (±53.3)
Cacahual 121 (3.0) 17 89 1.4 (±1.1) 87.3 (±7.7) 30.8 (±7.9) 8.1 (±6.8) 12.7 (±7.7) 0 0
Basacato del Oeste 0 (0.0) 14 64 0 - - - - - -
Arena Blanca 1408 (34.5) 21 111 13.5 (±8.2) 11.4 (±2.6) 43.1 (±8.5) 1.5 (±3.0) 88.6 (±2.6) 0 1.0 (±0.9)
Riaba 285 (7.0) 21 125 2.4 (±1.1) 18.6 (±8.4) 22.2 (±13.6) 0 81.4 (±8.4) 0 4.3 (±4.7)
Bilelipa 1 (0.02) 16 85 0.01 (±0.02) 0 0 0 100 0 0
Bakake Grande 9 (0.2) 15 80 0.1 (±0.2) 100 42.9 (±25.9) 0 0 0 0
Semu 24 (0.6) 16 80 0.3 (±0.2) 100 87.5 (±11.5) 6.3 (±11.9) 0 0 0
Santa Maria 11 (0.3) 16 80 0.1 (±0.1) 100 66.7 (±26.7) 16.7 (±29.8) 0 0 0
TOTAL / Average 4083 (100.0) 175 938 4.7 (±1.6) 58.0 (±2.6) 46.0 (±3.4) 1.8 (±0.9) 62.0 (±2.6) 0 1.7 (±0.6)
  1. Total number, density per light-trap night, proportion of An. gambiae s.s. and An. melas collected in 10 sites, frequency of knockdown resistance mutation L1014F (kdr-west) (%), and Plasmodium falciparum (Pf) sporozoite rates (%) found in each species (95% confidence intervals in parentheses).