How to Manage Pests

UC Pest Management Guidelines

Eggplant

Relative Toxicities Of Insecticides And Miticides Used In Eggplants To Natural Enemies And Honey Bees

(Reviewed 4/10, updated 12/11, pesticides updated 5/16)

In this Guideline:


Common name (Example trade name and formulation) 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  
acetamiprid (Assail 70WP) 4A moderate (sucking insects/larvae) 7 8 II moderate
Bacillus thuringiensis ssp. aizawai 11A narrow (caterpillars) L L L II short
Bacillus thuringiensis ssp. kurstaki 11A narrow (caterpillars) L L L III short
buprofezin (Courier SC) 16 narrow (sucking insects, beetles) L H9 L II long
clothianidin (Belay) 4A lygus, aphids M/L M/L I long
esfenvalerate (Asana XL) 3A broad (insect, mites) H M H I moderate
fenbutatin-oxide (Vendex) 12B narrow (pest mites) L L L III short
fenpropathrin (Danitol) 3A broad (insects, mites) H H H I
flonicamid (Beleaf) 9C L L III short
flubendiamide (Belt SC) 28 L L L/M II short
imidacloprid (Admire Pro) 4A narrow (sucking insects, armyworms) L I
insecticidal soap (M-Pede) broad (exposed insects, mites) L L L III short
malathion (Malathion 8) 1B broad (insects, mites) M H H I moderate
methomyl (Lannate SP, LV) 1A broad (insects, mites) H H H I moderate
methoxyfenozide (Intrepid 2F) 18 narrow (caterpillars) L L L II short
novaluron (Rimon) 15 narrow (caterpillars) L L I short
oxamyl (Vydate) 1A broad (insects, mites) H H H I moderate
permethrin (Pounce WP) 3A broad (insects, mites) L H H I long
petroleum oil broad (exposed insects, mites) L10 L L II short
pymetrozine (Fulfill) 9B narrow (aphids, whiteflies) L L L II short
pyrethrin (PyGanic EC) 3A broad (insects) M M I short
pyriproxyfen (Knack) 7C narrow (aphids, whiteflies) L H9 L II short
spinosad (Entrust, Success) 5 narrow (caterpillars, thrips, whiteflies, aphids) M M11 L/M II short to moderate
spiromesifen (Oberon 2SC) 23 narrow (psyllids, mites, whiteflies) II moderate
spirotetramat (Movento) 23 narrow (aphids, scale, psyllids, whiteflies) L L L II short
tebufenozide (Confirm) 18 narrow (caterpillars) L L L II short
thiamethoxam (Actara, Platinum) 4A narrow (sucking insects) 12 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 are assigned by IRAC (Insecticide Resistance Action Committee).
2 Selectivity: broad means it affects most groups of insects and mites; narrow means it affects only a few specific groups.
3 Generally, toxicities are to western predatory mite, Galendromus occidentalis.
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 May cause flare-ups of spider mite populations.
8 Acute toxicity low but reproductive capacity is impacted.
9 Kills lady beetles.
10 Rating depends on rate used.
11 Toxic against some natural enemies (predatory thrips, syrphid fly and lacewing larvae, beetles) when sprayed and up to 5 to 7 days after.
12 May cause increase in spider mite numbers.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Eggplant
UC ANR Publication 3475

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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