Research Article

Life-History Traits and Population Relative Fitness of Trichlorphon-Resistant and -Susceptible Bactrocera dorsalis (Diptera: Tephritidae)

Table 2

The development difference of each stage of two strains of B. dorsalis.

Insect stagesSusceptible strain (±se)Trichlorphon-resistant strain (±se)

Duration of egg (h)51.6220±0.3593    52.5060±0.1560  
Duration of larva (h)163.3520±0.8037  163.6500±1.2250  
Duration of pupa (h)267.7400±0.5931  272.1820±1.3398**

AdultPreoviposition period (d)16.0000±0.3162  20.6000±O.4000**
Longevity of female (d)66.9600±1.3908  62.8300±1.2955**
Longevity of male (d)72.  1840±0.7263  60.8160±2.2512**
Fecundity/female324.2460±0.6094  254.5500±0.8158**

Mean generation time (h)481.9733±2.0076  488.1233±24636  

Annotates: within the same row, s*hows the significant differences between resistant strain and susceptible straint (P<.05) by ANOVA (F test), s**hows the significant differences between resistant strain and susceptible straint (P<  .01) by ANOVA (F test). Tables 35 tables are the same.