Table 2.

Contact toxicity of Liriope muscari essential oil against Tribolium castaneum (TC), Lasioderma serricorne (LS) and Liposcelis bostrychophila (LB) adults.

Insect	Compounds	LD50 *	95% FL *	Slope ± SE	Chi square (χ2)
LS	Essential oil	11.28	10.22–12.43	4.59 ± 0.48	16.10
	Pyrethrins **	0.24	0.16–0.35	1.31 ± 0.20	17.36
TC	Essential oil	13.36	10.94–15.70	1.67 ± 0.26	11.96
	Pyrethrins	0.26	0.22–0.30	3.34 ± 0.32	13.11
LB	Essential oil	21.37	20.17–22.45	8.60 ± 1.01	10.35
	Pyrethrins **	18.72	17.60–19.92	2.98 ± 0.40	10.56

* Concentration (µg/adult)/(µg/cm²); ** data from Yang et al. [25].