How to Manage Pests

UC Pest Management Guidelines

Apricot

Relative Toxicities of Insecticides and Miticides Used in Apricots to Natural Enemies and Honey Bees

(Reviewed 10/14, updated 10/14)

In this Guideline:


Common name (Example trade name) Mode of action1 Selectivity2 (affected groups) Predatory mites3 General predators4 Parasites4 Honey bees5 Duration of impact to natural enemies6
abamectin (Agri-Mek) 6 moderate (mites) M L M/H I moderate to predatory mites and affected insects
Bacillus thuringiensis ssp. kurstaki 11A narrow (caterpillars) L L L III short
Beauveria bassiana (Mycotrol) broad (insects) II
bifenazate (Acramite) un narrow (spider mites) L L L II short
buprofezin (Centaur) 16 narrow (sucking insects, beetles) L H8 L II long
carbaryl (Sevin XLR Plus) 1A broad (insects, mites) L H L I long
chlorantraniliprole (Altacor) 28 narrow (caterpillars) L L L/M III short
clofentezine (Apollo) 10A narrow (mites) L L L III short
diazinon 1B broad (insects, mites) L H H I moderate to long
diflubenzuron (Dimilin) 15 L H L II
esfenvalerate (Asana) 3A broad (insect, mites) H M H I moderate
flonicamid (Beleaf) 9C narrow (aphids) L L L III short
flubendiamide (Belt) 28 L L L/M II short
hexythiazox (Onager, Savey) 10A narrow (mites) M L L II short to moderate
imidacloprid (Admire Pro) 4A narrow (sucking insects) L I
indoxacarb (Avaunt) 22A narrow (caterpillars, plant bugs) L L L I moderate
lambda-cyhalothrin (Warrior) 3A broad (plant bugs, beetles, caterpillars) H H H I moderate
methoxyfenozide (Intrepid) 18 narrow (caterpillars) L L L II short
neem oil (Trilogy) broad (soft-bodied insects) L L L II short
petroleum oil broad (exposed insects, mites) L7 L L II short to none
phosmet (Imidan) 1B broad (insects, mites) H H H I moderate to long
pyriproxyfen (Seize) 7C narrow (scale, beetles) L H8 L II long
spinetoram (Delegate) 5 narrow (caterpillars, aphids, scales) M M9 L/M II moderate10
spinosad (Entrust, Success) 5 narrow (caterpillars, aphids, scales) M M9 L/M II short to moderate
spinosad (Seduce insect bait) 5 narrow (earwigs) L L L II short to moderate
spirodiclofen (Envidor) 23 narrow (mites) L II
spirotetramat (Movento) 23 narrow (aphids, scale, psyllids, whiteflies) L L L II short
thiamethoxam (Actara) 4A narrow (sucking insects) 11 M I moderate
H = high   M = moderate    L = low    — = no information
1 Rotate chemicals with a different mode-of-action group number, and do not use products with the same mode-of-action group number more than twice per season to help prevent development of resistance. For example, the organophosphates have a group number of 1B; chemicals with a 1B group number should be alternated with chemicals that have a group number other than 1B. Mode-of-action group numbers ( un = unknown or uncertain mode of action) are assigned by IRAC (Insecticide Resistance Action Committee). For additional information, see their website at http://www.irac-online.org/.
2 Selectivity: Broad means it affects most groups of insects and mites; narrow means it affects only a few specific groups.
3 Generally, toxicites are to western predatory mite, Galendromus occidentalis. Where differences have been measured, these are listed as pesticide-resistant strain/native strain.
4 Toxicities are averages of reported effects and should be used only as a general guide. Actual toxicity of a specific chemical depends on the species of predator or parasite, environmental conditions, and application rate.
5 Ratings are as follows: I–Do not apply or allow to drift to plants that are flowering; II–Do not apply or allow to drift to plants that are flowering, except when the application is made between sunset and midnight if allowed by the label and regulations; III–No bee precaution, except when required by the label or regulations. For more information about pesticide synergistic effects, see Bee precaution pesticide rating.
6 Duration: Short means hours to days; moderate means days to 2 weeks; and long means many weeks or months.
7 Rating depends on rate used.
8 Kills lady beetles.
9 Toxic against some natural enemies (predatory thrips, syrphid fly and lacewing larvae, beetles) when sprayed and up to 5-7 days.
10 Residual is moderate if solution is between pH of 7 to 8.
11 May cause increase in spider mite numbers.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Apricot
UC ANR Publication 3433

General Information

Acknowledgments: This table was compiled based on research data and experience of University of California scientists who work on a variety of crops and contribute to the Pest Management Guideline database, and from Flint, M.L. and S.H. Dreistadt. 1998. Natural Enemies Handbook: An Illustrated Guide to Biological Pest Control, ANR Publication 3386.

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