Much of the information below comes from the Oregon Department of Agriculture “Guide List for Pesticides and Cannabis” https://www.oregon.gov/oda/shared/Documents/Publications/PesticidesPARC/... (updated 6/22/22)
For biological control agents and other biological treatments refer to “Biological Control of Nursery Pests” in the PNW Handbook:
https://pnwhandbooks.org/insect/hort/nursery/biological-control-nursery
Active Ingredient |
Trade Name |
Target Pest(s) |
Insecticide Group |
Signal Word |
Restricted Use? |
REI |
PHI (days) |
Azadirachtin |
Many brands, and formulations |
Various soft-bodied insects |
-- |
Caution |
N |
4 hr |
0 |
Azadirachtin, Neem |
Debug (Agro Logistic Systems |
Various soft-bodied insects |
-- |
Caution |
N |
4 hr |
0 |
Azadirachtin, pyrethrins |
Azera (Valent) |
Various soft-bodied insects |
3A |
Warning |
N |
12 hr |
0 |
Bacillus thuringiensis var. aizawai |
Agree (Certis), XenTari (Valent) |
Caterpillars, corn earworms |
11A |
Caution |
N |
4 hr |
0 |
Bacillus thuringiensis var. kurstaki |
Many brands, and formulations |
Caterpillars |
11A |
Caution |
N |
4 hr |
0 |
Beauveria bassiana, strain ANT |
BioCeres (BioSafe) |
Aphids, whitefly, thrips, Lygus |
-- |
Caution |
N |
4 hr |
0 |
Beauveria bassiana, strain ANT, pyrethrins |
BotaniGard Maxx (LAM International) |
Aphids, leafhopper, whitefly, thrips, Lygus, spider mite |
-- |
Warning |
N |
12 hr |
0 |
Beauveria bassiana, strain GHA |
Mycotrol (Bioworks), Botanigard ES, BoteGHA (LAM International) Botanigard, Mycotrol (Bioworks) |
Aphid, leafhopper, whitefly, thrips various insects |
-- |
Caution |
N |
4 hr |
0 |
Heat-killed Burkholderia spp. strain A396 cells and spent fermentation media |
Venerate CG and Venerate XC (Marrone Bio Innovations) |
Aphids, caterpillars, corn earworm, leafhoppers, mealybugs, mites, thrips, whitefly |
- |
Caution |
N |
4 hr |
0 |
Chromobacterium subtsugae strain PRAA4-1T |
Grandevo CG and Grandevo WDG (Marrone Bio Innovations) |
Aphids, caterpillars, corn earworm, leafhoppers, mealybugs, mites, thrips, whitefly |
-- |
Caution |
N |
4 hr |
0 |
kaolin |
Surround WP (Novasource) |
grasshopper, leafhopper, Lygus, |
-- |
Caution |
N |
4 hr |
0 |
neem oil |
Trilogy (Certis), Debug ON (Agro Logistic Systems) |
aphid, whitefly, thrips, spider mite |
-- |
Caution |
N |
4 hr |
0 |
petroleum-derived oil |
Many brands |
leafhopper, mite, whitefly, |
-- |
Caution |
N |
4 hr |
0 |
Potassium salts of fatty acids |
M-Pede (Gowan), DES-X (Certis) |
leafhopper, Lygus, thrips, mites, whitefly |
-- |
Warning |
N |
12 hr |
0 |
Essential oil extracts |
Many brands and formulations |
caterpillars, beetle, aphid, leafhopper, thrips, whitefly, spider mite |
-- |
Warning |
N |
0 hr |
0 |
Vegetable-derived oil |
Many brands and formulations |
aphid, leafhopper, thrips, whitefly, spider mite |
-- |
Caution |
N |
4 hr |
0 |
Polyhedral occlusion bodies (OBs) of the nuclear polyhedrosis virus of Helicoverpa zea |
Gemstar LC (Certis Biologicals) |
Corn earworms, tobacco budworm, |
-- |
Caution |
4 hr |
0 |