How to Manage Pests

UC Pest Management Guidelines


Relative Impact of the Timing of Pesticide Applications on Natural Enemies

(Reviewed 4/10, updated 4/10, corrected 10/16)

In this Guideline:

Timing/Treatment NATURAL ENEMIES
Caterpillar parasites (Copidosoma sp. and Macrocentrus sp.) Lacewings Lady beetles (Chilocorus spp.) Minute pirate bugs Predatory mites (Galendromus sp. and Typhlodromus sp.) Scale parasites (Aphytis sp.) Spiders
oil L L L L L L L
oil + IGR1 L L L L L L L
oil + OP2 L M L M L L M
oil + pyrethroid3 L L L M H L
oil + spinosyns4 L L L L L L/M L
Bt5 L L L L L L L
diamides6 L L L L L L
Dimilin L L L L L L L
Intrepid L L L L L L L
spinosyns4 M L M L L H L
Avaunt L L L L
carbamate7 H H H H H H H
diamides6 L L L L L
Movento L L L L L L L
pyrethroid3 H L/M H H H H H
spinosyns4 M/H L/M H M L H
H = high    M = moderate    L = low    — = no information
1 IGR = insect growth regulators (diflubenzuron-Dimilin, buprofezin-Centaur, pyriproxyfen-Seize)
2 OP = organophosphate (Diazinon, Imidan)
3 pyrethroid (Asana, Ambush, Pounce)
4 Spinosyns = spinosad (Success, Entrust), spinetoram (Delegate)
5 Bt = Bacillus thuringiensis
6 Diamides = chlorantraniliprole (Altacor)
7 carbamate (Carzol, Lannate, Sevin)



[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Peach
UC ANR Publication 3454

General Information

Acknowledgments: C. Pickel, UC IPM Program, Sutter/Yuba counties; W. J. Bentley, UC IPM Program, Kearney Agricultural Center, Parlier; J. K. Hasey, UCCE Sutter/Yuba counties; K. R. Day, UCCE Tulare County

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