Onion - Commercial Insecticides

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Insecticides registered for Commercial use on Onions in Utah, organized by Mode of Action (MoA).

Active Ingredient	Brand Name	MoA	Residual (days)	Thrips	Maggots	Leafminers	Spider Mites
methomyl	LannateR	1A	5-7	X
oxamyl	VydateR	1A	5-10	X
diazinon	DiazinonR	1B	+		X
malathion	Fyfanon, Malathion	1B	7	X	X
deltamethrin	Delta GoldR	3	10-14	X
gamma-cyhalothrin	DeclareR	3	5	X	X	X
lambda-cyhalothrin	ParadigmR, Province IIR SilencerR	3	5-7	X	X	X
permethrin	AmbushR, ArticR Perm-upR, PounceR Perma starR	3	7-10	X	X	X
pyrethrin	PyganicOB	3	5	X	X	X	X
zeta-cypermethrin	MustangR	3	7	X	X
pyrethrin + piperonyl butoxide	EvergreenB	3	5	X	X
pyrethrin + azadirachtin	AzeraOB	3/UN	3	X	X	X	X
acetamiprid	Assail 30 SG	4	14	X
dinotefuran	Scorpion 35 SL	4	14	X		X
spinosad	EntrustOB, SuccessB	5	7-10	X		X
spinetoram	Radiant	5	4	X		X
abamectin	AbbaR, Agri-mekR Epi-mekR, ReaperR	6	7	X		X
cyromazine	Trigard	17	17			X
spirotetramat	Movento	23	7	X
cyantraniliprole + abamectin	Minecto ProR	28/6	10-14	X		X
Beauveria bassian strain gha	BontaniGardB	NC	2-10	X
extract of Chenopodium ambrosioides	Requiem ECB	NC	5-7	X
potassium salts of fatty acids	M-PedeOB	NC	7	X		X
kaolin clay	SurroundOB	NC	1	X
Metarhizium anisopliae strain	Met 52 ECB	NC	5-7	X
oils: plant based	EcotecOB, Omni SupremeB, Saf-t-sideB	NC	1	See label for listed pests
azadirachtin	AzatinOB, MoltB	Un	5-10	X	X	X

^B= Biopesticide
^R= Restricted Use
^O= Organic

Note: All brands are registered trademarks. The brands listed in this table are not all-inclusive, but are meant to provide examples of products for these crops in Utah. Always check the label for the specific crop you are treating, application and safety information, and protection and pre-harvest intervals.