Table 2.

Synergistic effects of quercetin (QCT) when used in combination with paraoxon (POX) against Tribolium castaneum

Doses (mg/g)	Percent mortality
	1st day	2nd day	5th day	6th day	10th day
Larval toxicity
QCT 3.0	0	0	0	0	0
POX 0.055 + QCT 3.0	0	3.3 ± 3.3	16.7 ± 12.0	30.0 ± 15.3	33.3 ± 14.5
		(0.0–17.7)	(0.0–68.7)	(0.0–95.7)	(0.0–95.8)
POX 0.275 + QCT 3.0	0	63.3 ± 6.7	80.0 ± 11.5	100.0 ± 0.0	100.0 ± 0.0
		(34.6–92.0)	(30.3–129.8)	—	—
POX 27.52 + QCT 3.0	0	73.3 ± 6.7	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0
		(44.6–102.0)	—	—	—
Adult toxicity
QCT 3.0	0	0	0	0	0
POX 0.055 + QCT 3.0	0	0	0	0	0
POX 0.275 + QCT 3.0	0	63.3 ± 6.7	80.0 ± 11.5	100.0 ± 0.0	100.0 ± 0.0
		(34.6–92.0)	(30.3–129.8)
POX 27.52 + QCT 3.0	90.0 ± 05.8	90.0 ± 05.8	96.7 ± 03.3	100.0 ± 0.0	100.0 ± 0.0
	(65.2–114.8)	(65.2–114.8)	(82.3–111.0)

The data is presented as percent mortality means ± SEM, while the values in parenthesis, below each mean, are the respective 95% confidence interval.