Table 2.

Biocidal potential of Magnolia phenols against insects and other arthropods. Compounds were isolated from M. acuminata, M. fraseri, M. grandiflora, M. kobus, M. obovata, M. ovata, M. tripetala, M. virginiana, and M. vovidesii. Stages: (A) adult, (L4) fourth instar larva, (L3) third instar larva, and (L) larva.

Compound	Activity	Species	Orden	Stages	LD50	Time	Exposition	References
2,4-di-tert-butylphenol	Acaricide	Tetranychus cinnabarinus	Trombidiformes	A	7.61 µM	24 h	Spraying	[103]
Estragol	Larvicide	Spodoptera frugiperda	Lepidoptera	A	0.92 mg mL	24 h	Intake	[104]
	Insecticide	Sitophilus zeamais	Coleoptera	A	14.10 mg/L	24 h	Spraying	[87]
Eugenol	Insecticide	Tribolium castaneum	Coleoptera	A	1 μg/kg	24 h	Contact	[105]
	Insecticide	Callosobruchus maculatus	Coleoptera	A	24.8 μL/L	24 h	Spraying	[106]
Honokiol	Larvicide	Aedes albopictus	Diptera	L3	6.13 mg/L	24 h	Contact	[107]
	Larvicide	Anopheles sinensis	Diptera	L3	7.37 mg/L	24 h	Contact	[107]
	Insecticide	Nilaparvata lugens	Hemiptera	A	0.324 mM	48 h	Topical application	[108]
Licarin A	Larvicide	S. litura	Lepidoptera	L	0.20% m/m	7 d	Intake	[109]
Magnolol	Insecticide	N. lugens	Hemiptera	A	0.137 mM	48 h	Topical application	[108]
	Larvicide	Culex pipiens pallens	Diptera	L3	26 mg/L	24 h	Contact	[107]
Protochatecuic acid	Insecticide	Ae. aegypti	Diptera	A	1.25 µg/mg	24 h	Contact	[110]
Quercetin	Larvicide	S. litura	Lepidoptera	L4	10.88 ppm	24 h	Intake	[111]
	Larvicide	Pectinophora gossypiella	Lepidoptera	L	0.2%	Until pupae maturation	Intake	[112]
Rutin	Insecticide	Oedaleus asiaticus	Orthoptera	A	763.7 mg/L	7 days	Intake	[113]
Scopoletin	Larvicide	Spilarctia obliqua	Lepidoptera	L4	20.9 μg/g	24 h	Intake	[114]
Syringin	Anti-nutrients	S. granarius	Coleoptera	A	134.4 μL/L	5 d	Intake	[115]