Skip to main content

Advertisement

Table 4 Knockdown times of Ae. aegypt i and Ae. albopictu s exposed to 0.06% deltamethrin and 4% DDT

From: Insecticide susceptibility of Aedes aegypti and Aedes albopictus in Central Africa

Locality Ae. aegypti Ae. albopictus
  KdT 50 (95%CI); P* KdT 95 (95%CI); P* KdT 50 (95%CI); P* KdT 95 (95%CI); P*
  Deltamethrin Deltamethrin
Garoua 5.3 (4.7-5.9); P = 0.47 11.4 (9.7-14.2); P = 0.24 - -
Bertoua 5.8 (3.3-8.2); P = 0.46 24.6 (16.6-51.4); P = 0.025 7.8 (7.3-8.3); P = 0.25 15.9 (14.4-18.0); P = 0.38
Yaoundé 6.7 (3.7-9.7); P = 0.35 22.8 (15.0-58.4); P = 0.05 11.2 (10.6-11.8); P = 0.06 17.3 (16.3-19.0); P = 0.28
Bafia 5.4 (3.3-7.4), P = 0.48 14.6 (10.1-36.9); P = 0.49 - -
Buea - - 11.7 (10.2-13.3); P = 0.06 21.2 (18.1-27.4); P = 0.09
Libreville 5.9 (5.1-6.8); P = 0.45 13.4 (11.2-17.9); P = 0.40 - -
Reference strain 5.5 (4.6-6.3) 14.5 (11.9-19.4) - -
  DDT DDT
Garoua 53.6 (49.9-59.2) 101.9 (84.0-146.0) - -
Bertoua - - 84.8 (72.8-106.9) 290.8 (200.7-523.0)
Yaoundé - - 77.4 (68.5-113.2) 109.2 (86.1-235.3)
Buea - - 68.0 (63.6-78.2) 93.9 (80.7-131.9)
Libreville 58.7 (55.8-62.7) 107.7 (94.6-129.2) - -
  1. KdT: Knockdown times expressed in minutes; 95%CI: 95% confidence interval. *: P is the probability of homogeneity between the sample and the reference (Mantel-Haenszel chi square).