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Onion - Commercial Insecticides

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
oxamyl VydateR 1A 5-10 X      
chlorpyrifos ChlorpyrifosR, Lorsban 1B 7-10   X    
diazinon DiazinonR 1B 7-14   X    
malathion Fyfanon, Malathion 1B 7 X X    
gamma-cyhalothrin Declare 3 5 X X X  
lambda-cyhalothrin ParadigmR, ProvinceR SilencerR, WarriorR 3 5-7 X X X  
permethrin AmbushR, ArticR Perm-upR, PounceR Perma starR 3 7-10 X X X  
pyrethrin PyganicO 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
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  
pyriproxyfen Esteem 7C 14 X      
spirotetramat Movento 23 7 X      
azadirachtin Aza-directOB, AzatinOB, AzatrolB, Ecozin, MoltO UN 5-10 See label See label See label See label
Beauveria bassiana strain gha Mycotrol OB --- 2-10 X See label See label See label
insecticidal soap (potassium salts of fatty acids) M-pede, 6afer'sO --- 7 See label See label See label See label
kaolin clay Surround --- 1 X      
oils: peppermint, rosemary, petroleum EcotecOB, Omni SupremeB, Saf-t-sideB --- 1 See label See label See label See label

The information provided is not an endorsement or recommendation for any particular product. Always read the label before applying and follow the directions. Some of these materials may be tank mixed with other herbicides.

B= Biopesticide
R= Restricted Use
O= Organic