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

Table 1

Resistance ratios of the Trichlorphon-resistant line at selected generations.

Generation	No. of files	LC-P lines	Chi-square value $({\chi }^2)$	${\text{LC}}_{50}$$(\text{mg}·{\text{L}}^{-1})$ (95% FL)	RRs
Parental*	150	$y=3.8072+5.8250x$	0.4924	1.6024 (1.3800–1.8600)	—
First	150	$y=2.8577+3.7304x$	0.0883	3.7522 (2.8277 –4.9788)	2.34
5th	150	$y=2.0494+3.1722x$	1.8672	8.5142 (6.3843–11.3546)	5.31
8th	150	$y=-6.7862+6.9248x$	0.9521	50.3532 (21.9650–115.4311)	31.42
11th	150	$y=-1.0373+2.8953x$	0.9116	121.6741 (87.9158–168.3951 )	75.93
14th	150	$y=0.9795+\mathrm{\hspace{0.17em}\hspace{0.17em}}1.8859x$	1.4533	135.4903 (85.4614–214.8062)	84.55
21th*	150	$y=0.4228+3.0625x$	0.1085	31.2301 (23.2098–42.0217)	19.49
24th	150	$y=-1.7301+3.4657x$	4.0260	87.4861 (72.0158–106.2796)	54.60
27th	150	$y=-2.2498+3.5892x$	0.9287	104.6954 (89.0531–123.0853)	65.34
30th	150	$y=-4.4740+4.6329x$	7.0995	110.9027 (98.4476–124.9336)	69.21
33th	150	$y=-5.7631\mathrm{\hspace{0.17em}\hspace{0.17em}}+5.2205x$	1.1999	115.2631 (103.6904–128.1274)	71.93

${}_{}{}^{*}\text{P}$arental represented susceptible strain after 30 generations. the number of bioassays concentrations were 5.