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Toxicity of Orchard Pesticides to Mite and Aphid Predators

The biological control potential of the vast majority of beneficial arthropods is not realized unless they develop resistance to pesticides, no pesticides are used, or only pesticides that are selective and nontoxic to these arthropods are used.

Toxicity of pesticides at rates recommended in the Penn State Extension Tree Fruit Production Guide.

Material Stethorus punctum Bees Typhlodromus pyri Neoseiulus fallacis Zetzellia mali Aphidoletes Lady-
bugs
Minute pirate bugs Lace-
wings
Fly and wasp para-
sitoids
Insecticides









Actara +++ +++ + + 0 ++ ++ ++ ++ +++
Agri-Flex +++ +++ + + 0 ++ ++ ++ ++ +++
Altacor 0 0 0 0 0 0 0 0 0 0
Apta +++
Asana XL +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
Assail ++ + + 0 0 ++ ++ ++ ++ +++
Avaunt ++ ++ 0 0 0 + ++ + + +++
azadirachtin + ++ + +
Baythroid XL +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
Belay +++ +++ + + 0 ++ ++ ++ ++ +++
Beleaf +
Belt 0 0 0 0 0 0 0 0 0 0
Bt 0 0 0 0 0 0 0 0 0 0
carbaryl +++ +++ + ++ + ++ +++ ++ ++ +++
Centaur ++ + + + +
codling moth granulosis virus 0 0 0 0 0 0 0 0 0 0
cyfluthrin +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
Danitol +++ +++ +++ +++ ++ ++ +++ ++ +++ +++
Delegate + + ++ ++ + + + + + ++
deltamethrin +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
diazinon + +++ + + + +++ ++ + ++ +++
Endigo +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
Esteem +++ + 0 0 0 0 +++ +++ +++ +++
Exirel ++ +++ + + + + ++ + + ++
imidacloprid ++ +++ + + 0 + ++ ++ ++ ++
Imidan + +++ 0 0 0 + ++ ++ ++ +++
Intrepid 0 0 0 0 0 0 0 0 0 0
Lannate ++ +++ ++ +++ ++ +++ +++ ++ +++ +++
Leverage +++ +++ ++ +++ +++ +++
Lorsban until









½-inch green + + + 0 0 0 + 0 0 ++
Lorsban post









½-inch green
+++







malathion + +++ 0 0 0 + ++ + + ++
Movento + ++ 0 0 0 + + + +
Mustang Max +++ +++ +++ +++ ++ +++ +++ +++ +++ +++
Nealta 0 0 0 0 0 0 0 0 0 0
Permethrin +++ +++ ++ +++ ++ + ++ ++ ++ +++
Proaxis +++ +++ ++ +++ ++ +++ +++ +++ +++ +++
Rimon ++ +++ 0 0 0 +++ ++ +++ +++
Sevin XLR +++ +++ + ++ ++ +++ ++ ++ ++ +++
Sivanto ++ +++ 0 0 0 ++ ++ ++ ++ +++
Surround ++ + ++ ++ ++ ++ ++ + ++
Tourismo ++ + + + + ++ ++
Venerate 0 0 0 0 0 0 0 0 0 0
Voliam Flexi ++ +++ + 0 0 ++ ++ ++ ++ +++
Voliam Xpress +++ +++ ++ +++ ++ +++ +++ +++ +++ +++
Warrior II +++ +++ +++ +++ +++ +++ +++ +++ +++ +++
Miticides









Acramite 0 ++ ++ ++ ++ + 0 0 0
Agri-Mek ++ +++ + ++ + + + + +
Apollo SC 0 0 0 + + 0 0 0 0
Envidor ++ + 0 0 0
Kanemite + 0 + + +
Nexter ++ +++ +++ +++ ++ ++ ++ ++ ++
Portal ++ 0 +++ ++ +
Savey/Onager 0 0 0 + + 0 0 0 0
summer oil + ++ ++ ++ + + + + +
Vendex + ++ ++ ++ ++ + + + +
Vydate ++ +++ +++ +++ +++ ++ ++ +++ +++ +++
Zeal 0 0 + ++ ++ +
Fungicides









Bayleton + 0 + +




captan + + + + +




Flint + + 0 0 0




Inspire Super + 0 0 0 0




lime sulfur ++ +* ++ +++ +++




mancozeb + + + ++ +




Polyram + + ++ ++ +




Pristine + 0 0 0 0




Procure + 0 0 0 0




Rally + 0 0 0 0




Rubigan 0 0 0 0 0




Sovran 0 0 0 0 0




sulfur ++ +* + ++ +




Thiram + + + +




Topgard + 0 0 0 0




Topsin M + 0 + + ++




Vangard 0 0 0 0 0




Ziram + + + + +




+ = slightly toxic, ++ = moderately toxic, +++ = highly toxic, — = no data available, 0 = nontoxic, * = repellent for more than one day.
For more on toxicity to honey bees, see Protecting Honeybees.
Some information adapted from New York Agricultural Experiment Station data, Midwest Biological Control News, and Washington State University Tree Fruit and Extension Center.

Source: Penn State Tree Fruit Production Guide

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Toxicity of Orchard Pesticides to Mite and Aphid Predators

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