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Table 1 Life traits of Aedes aegypti from RecBti and RecL strains

From: Aedes aegypti continuously exposed to Bacillus thuringiensis svar. israelensis does not exhibit changes in life traits but displays increased susceptibility for Zika virus

Parameters RecBti RecL Student’s t-testa
n Mean ± SD n Mean ± SD
Fecundity (mean no. eggs/female) 8988b 93.2 ± 3.3 8463b 86.5 ± 7.6 t(4) = 2.77, P = 0.43
Fertility (% first-instar larvae) 2551 90.6 ± 2.8 2526 89.9 ± 3.7 t(4) = 2.77, P = 0.79
Pupal weight (mg), per pool of 25 males 16 69.1 ± 3.4 16 67.3 ± 3.9 t(4) = 2.77, P = 0.15
Pupal weight (mg), per pool of 25 females 13 122.2 ± 7.4 12 121 ± 4.5 t(4) = 2.77, P = 0.61
Development time (days)c 864 10.4 ± 0.5 873 11.1 ± 1.1 t(4) = 2.77, P = 0.09
Adult rate (%) 900 96 ± 2.2 900 97 ± 2.1 t(4) = 2.77, P = 0.77
Sex ratio (male:female) 864 1.1:0.9 ± 0.1 873 1.1:0.9 t(4) = 2.77, P = 0.74
Haematophagic rate (% blood-fed) 120 80 ± 12.6 120 89.2 ± 8.0 t(4) = 2.77, P = 0.17
  1. aFor P ≥ 0.05, the mean of each parameter was not significantly different according to Student’s t-test
  2. bNumber of 8988 and 8463 eggs laid by 96 and 108 blood-fed females, respectively
  3. cPeriod from first-instar larvae to emergence