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The Arid Southwest IPM Network is a function of the Arizona Pest Management Center at University of Arizona. We work as part of a team of Comment Coordinators throughout the West, who develop and submit comments on federal pesticide registration issues on behalf of stakeholders, in coordination with the Western IPM Center.
Under federal law, the Environmental Protection Agency (EPA) is required to continually review registered pesticides to evaluate potential risks to human health and the environment. As part of this process, EPA actively solicits stakeholder input at several stages of the registration review process. The Arid Southwest IPM Network serves as the primary information source for USDA, EPA, and other federal, state and regional interests regarding pest management issues in our multi-state area, which includes Arizona, Nevada, New Mexico, Colorado, and the southeastern desert region of California.
Federal agencies often request information on current pest management practices (including pesticide use) in a particular crop to inform decision-making processes, such as re-registration of pesticides through the Food Quality Protection Act (FQPA). Information requests regarding pest management in the arid southwest are funneled through the Arid Southwest IPM Network. We have built an expanding list of contacts, including researchers, growers, pest control advisors, farm managers and Cooperative Extension personnel in our multi-state area. This network facilitates timely and accurate responses to pest management information requests that reflect current practices and growers needs for safe and effective pest management tools.
| Product/Active Ingredient/Topic | Affected Crops/Areas | Request Date | Reply Date |
| 2,4-D | All registered crops | 1/6/2009 PDF, 149KB | 2/23/2009 PDF, 110KB |
| 2,4-DB | Alfalfa | 4/8/2019 | 6/7/2019 PDF, 119KB |
| Acephate | Benefits of Acephate for Lygus Control in Arizona Cotton Production | n/a | National Cotton Council Response (12/24/2000) |
| Acephate | Cotton, Head Lettuce, Celery, Cauliflower, Beans, Chile Peppers in Arizona and New Mexico | 7/23/2018 | 8/22/2018 |
| Acibenzolar | Spinach, Chiles, other crops | 1/23/2014 PDF, 181KB | 2/21/2014 PDF, 76KB |
| Acrolein | Oranges | 1/3/2007 PDF, 183KB | 1/29/2007 PDF, 110KB |
| Avitrol (4-aminopyridine) | Bird control around structures, feed lots, airports, land fill sites, and in California for protecting vineyards and sprouting agricultural seeds | 8/1/2007 PDF, 86KB | 8/22/2007 PDF, 90KB |
| Bt Resistance | Resistance in Lepidopteran Pests to Bt Plant-Incorporated Protectants s In The United States (EPA Docket EPA-HQ-OPP-2017-0617) | 4/11/2018 PDF, 833KB Charge Questions (7/20/2018) PDF, 111KB |
NCSAPMWG Response (6/18/2018) PDF, 265KB |
| Buprofezin | Cotton, melons, lettuce, citrus, other crops | 7/10/2012 PDF, 124KB | 9/10/2012 PDF, 406KB |
| Buprofezin | Cotton, melons, lettuce, cole crops, Response to EPA Proposed Interim Decision | 3/18/2019 PDF, 1.8MB | 5/17/2019 PDF, 111KB |
| Carbaryl | Floriculture uses | 5/6/2008 PDF, 92KB | 5/19/2008 PDF, 68KB |
| Carbaryl | Pecans, other crops | OPMP Request 8/17/2016 PDF, 98KB | 9/30/2016 PDF, 119KB |
| Chemigation | All registered crops | 12/22/2008 PDF, 128KB | 3/6/2009 PDF, 58KB |
| Chloroneb | cotton, beans, peanuts, sugarbeets, turf | 8/17/2011 PDF, 58KB | 9/29/2011 PDF, 96KB |
| Chlorpyrifos | Alfalfa, corn, cotton, sorghum, pecans, broccoli and other crops | 11/6/2015 |
1/5/2016 (APMC) PDF, 5.6B 1/3/2016 (Palumbo) PDF, 5.6B |
| Chlorpyrifos | alfalfa, corn, sorghum, cole crops | 11/17/2016 PDF, 233KB |
1/17/2017 (APMC) PDF, 141KB 1/12/2017 PDF, 489KB |
| Cymoxanil | Draft risk assessment. Crops: Lettuce, Spinach, onions, onion for seed | 11/29/2016 | 7/26/2017 PDF, 123KB |
| DDVP (Dichlorvos) | Animal Treatment - Dairy Cattle, Beef Cattle, Swine, Poultry (Laying Hen), and Poultry (Broilers); Animal Premises - Dairy Barns, Poultry Houses, Feedlots; Manure - Livestock and Poultry | 7/13/2007 PDF, 94KB | 7/27/2007 PDF, 103KB |
| Dicrotophos | Cotton | 7/30/2014 PDF, 84KB | 11/10/2014 PDF, 632KB |
| Dimethoate | Alfalfa, asparagus, corn, cotton, grapefruit, oranges, peanuts, pears, safflower, sorghum, soybeans, tobacco, wheat, spring wheat | 1/9/2006 PDF, 45KB | 1/20/2006 PDF, 57KB |
| Dimethoate | All registered crops | 8/4/2006 PDF, 6.4MB | 9/14/2006 PDF, 44KB |
| Dimethoate | Reregistration Review (All Crops) | 12/18/2009 PDF, 84KB | 3/1/2010 PDF, 110KB |
| Dimethomorph | Draft risk assessment. Crops: Lettuce, Spinach, onions, onion for seed | 11/29/2016 | 7/26/2017 PDF, 123KB |
| Endosulfan | MOA between EPA and Registrants regarding the registration of pesticide products containing endosulfan PDF, 3.9MB | July 22, 2010 | |
| Endosulfan | EPA Impact Assessments on Endosulfan; Request for Comments and Additional Information on Importance of Use | 5/6/2009 PDF, 52KB | 7/6/2009 PDF, 545KB |
| Endosulfan | Petitions requesting revocation of tolerances and cancellation of uses for endosulfan, Docket ID #EPA-HQ-OPP-2008-0615 | 8/12/2008 PDF, 61KB | 10/20/2008 PDF, 96KB |
| Endosulfan Risk Mitigation Measures | Multiple crops | 10/11/2007 PDF, 91KB | no comments |
| Endosulfan | Cotton | 11/6/2002 PDF, 139KB |
12/4/2002 PDF, 216KB 9/29/2006 PDF, 931KB |
| Ethephon | Response to EPA Proposed Interim Decision; Golf Course turf uses in AZ and CA |
5/25/2017; Ethephon docket |
9/22/2017 PDF, 1.6MB |
| Etoxazole (EPA-HQ-OPP-2014-0133) | cotton, corn | 9/30/2019 | 11/30/2019 PDF, 123KB |
| Fenamidone | Vegetable crops including leafy vegetables, cole crops & peppers, root crops (carrots, garlic, turnip, onions) | 3/31/2014 PDF, 284KB | 5/15/2014 PDF, 61KB |
| Flonicamid (EPA-HQ-OPP-2014-0777) | cotton, alfalfa seed, lettuce, spinach, cole crops, brassica seed, other vegetables | 11/18/2019 | 1/17/2020 PDF, 131KB |
| Fludioxonil | Potato, Melons, Lettuce in Arizona | 12/15/2017 | 2/13/2018 PDF, 61KB |
| Flumioxazin | Alfalfa, Cotton, Beans, Grapes, Pecans & Pistachios, Turf & Landscape, Aquatic uses | 5/13/2019 | 8/12/2019 PDF, 115KB |
| Fluopicolide | Chile Peppers in New Mexico | 12/15/2017 | 2/13/2018 PDF, 61KB |
| Glufosinate | Cotton, Pecans | 6/23/2016 PDF, 2.5MB | 9/12/2016 PDF, 111KB |
| Imazalil | Lemons | 1/23/2014 PDF,182KB | 3/24/2014 PDF, 80KB |
| Imidacloprid | Citrus | 1/8/2016 | 4/14/2016 PDF, 115KB |
| Imidacloprid | Cotton | 3/5/2009 PDF, 28KB | 3/9/2009 PDF, 82KB |
| Imidacloprid | Many crops | 9/13/2017 | 11/13/2017 PDF, 70KB |
| Linuron | celery, carrots, parsnips & cilantro | 11/29/2016 PDF, 233KB | 1/31/2017 PDF, 102KB |
| Linuron | celery, carrots, parsley, parsnips & cilantro | 7/31/2019 | 9/30/2019 PDF, 119KB |
| Malathion | Public health uses | 1/19/2012 PDF, 107KB | 2/13/2012 PDF, 68KB |
| Malathion | Reregistration Review (All Crops) | 4/1/2013 PDF, 47KB | 5/26/2013 PDF, 83KB |
| Maneb | Reregistration Review (All Crops) | 5/26/2010 PDF, 45KB | 5/16/2010 PDF, 114KB |
| Mefenoxam | Draft risk assessment. Crops: Lettuce, Spinach, onions, onion for seed, melons, chile pepper | 11/29/2016 | 7/26/2017 PDF, 123KB |
| Mepiquat Chloride and Mepiquat Pentaborate | Cotton | 8/3/2017 | 10/2/2017 PDF, 123KB |
| Metaldehyde | Several crops, slugs would be the target pests | 4/11/2007 PDF, 72KB | 4/27/2007 PDF, 82KB |
| Metaldehyde/Iron Phosphate | Several crops, slugs would be the target pests | 12/12/2006 PDF, 58KB | not available |
| Metam sodium | Melons | 11/30/2018 PDF, 58KB | 3/15/2019 PDF, 112KB |
| Methomyl | Grapes | 8/27/2002 PDF, 223KB | no comments |
| Methomyl and Thiodicarb | Lettuce and Onions | 4/8/2019 | 6/7/2019 PDF, 168KB |
| Methomyl and Thiodicarb | Sweet corn, head lettuce | 2/21/2007 PDF, 57KB | 3/6/2007 PDF, 207KB |
| Methoxyfenozide | Proposed interim decision. Crops: field corn, sweet corn | 5/25/2017 | 7/23/2017 PDF, 104KB |
| Neonicotinoids (Clothianidan, Dinotefuran, Imidacloprid, Thiamethoxam) | Draft ecological risk assessments for neonicotinoids. Crops: lettuce, cole crops, celery, melons, chile pepper, pecan, corn, potatoes, turfgrass for recreational use | 5/25/2017 | 7/24/2017 PDF, 143KB |
| Nicotine | Any crops on which nicotine is applied (nursery and ornamental crops are about the only ones where nicotine seems to be important) | 5/8/2007 PDF, 51KB | 5/26/2007 PDF, 53KB |
| Nonregulated Status of GE Cotton for Insect Resistance | Cotton | 9/26/2019 | 11/25/2019 PDF, 750KB |
| Oxamyl | Watermelons | 8/7/2009 PDF, 84KB | 8/20/2009 PDF, 60KB |
| Oxamyl | Cotton, Chile Peppers | 9/13/2017 | 11/13/2017 PDF, 172KB |
| Oxamyl | Cotton, aerial applications, response to EPA Proposed Interim Decision | 8/8/2018 | 12/9/2018 PDF, 283KB |
| Paraquat dichloride (EPA-HQ-OPP-2011-0855) | cotton, alfalfa seed, pecans and pistachios | 10/16/2019 | 12/16/2019 PDF, 123KB |
| Pendimethalin | Alfalfa, Cotton, Wheat, Melons, Carrots, other crops | 9/22/2017 | 11/21/2017 PDF, 115KB |
| Prodiamine | Ditches and ditch banks | 8/19/2011 PDF, 53KB | 9/1/2011 PDF, 62KB |
| Prometryn | Cotton, Celery, Fennel, Cilantro, Parsley Carrots | 9/13/2017 | 11/13/2017 PDF, 115KB |
| Prometryn | Celery, Parsley, cilantro, fennel, and carrots; Response to Proposed Interim Decision | 8/8/2018 | 10/9/2018 PDF, 111KB |
| Pyraclostrobin | Lettuce, cotton, wheat, corn, peanuts, chilis, others | 6/30/2014 PDF, 158KB | 8/25/2014 PDF, 109KB |
| Pyrethroids (Bifenthrin, Cyfluthrins (& beta), Zeta-cypermethrin, Gamma-cyhalothrin, Lambda-cyhalothrin, Permethrin) | Draft risk assessments for pyrethroids. Crops: alfalfa, other field crops, sweet corn, Chile pepper, pecan | 11/29/2016 |
APMC 7/7/2017 PDF, 173KB Palumbo 7/7/2017 PDF, 1.5MB |
| Pyriproxyfen | Aerial applications in cotton | 2/13/2018 | 6/4/2018 PDF, 111KB |
| Quinoxyfen | Melons and Lettuce in Arizona, Chile Peppers in New Mexico | 12/15/2017 | 2/13/2018 PDF, 173KB |
| Siduron (Tupersan) | Turf including golf courses, athletic fields, sod farms and grass grown for seed | 12/5/2006 PDF, 87KB | not available |
| Siduron RED | Siduron Reregistration Eligibility Decision (RED). All notices, public responses, and related information on the Regulations.gov website | N/A | N/A |
| Soil fumigants (Chloropicrin, Dazomet, Methyl Bromide, Metam Potassium, and Metam Sodium) | Cantaloupes, carrots, cucumbers, eggplant, forest seedlings, nursery crops, onions, orchard replant (California), peanuts, peppers, potatoes, squash, strawberries, sweet potato, tobacco, tomatoes, watermelon | 3/12/2007 PDF, 198KB |
4/5/2007 PDF, 102KB 4/25/2007 PDF, 132KB |
| Spinosyn insecticides: Spinosad & Spinetoram | lettuces, spinach, cole crops, celery, arugula, other vegetable crops and citrus (including organic production) | 9/19/2016 (PDF, 214KB) |
11/18/2016 (PDF, 327KB) 11/17/2016 (PDF, 766KB) |
| Spirotetramat (Movento) | lettuce, desert vegetable crops, cotton | 1/14/2010 (PDF, 104KB) |
APMC - 2/8/2010 (PDF, 376KB) ADA - 2/8/2010 (PDF, 32KB) |
| Sulfonylurea herbicides | Wheat, barley, corn, grasses and other crops | 7/25/2015 | 9/12/2016 (PDF, 147KB) |
| Sulfoxaflor | Pesticide Registration Application | 12/22/2010 | Palumbo - 2011 (PDF, 2MB) |
| Sulfoxaflor | public comment on conditional registration for several crops | 1/14/2013 (PDF, 427KB) |
Palumbo - 2/8/2013, (PDF, 708KB) APMC - 2/12/2013 (PDF, 501KB) |
| Sulfoxaflor | Proposed registration of sulfoxaflor on selected crops | 5/17/2016 (PDF, 979KB) |
Palumbo - 6/12/2016 (PDF, 823 KB) APMC - 6/17/2016 (PDF, 805KB) |
| Sulfoxaflor | State of Arizona Section 18 Specific Exemption for Use of Transform WG to Control Sugarcane Aphid in Sorghum spp. (approved for use period: 1 May - 30 November 2016, 1 May - 30 November 2017, 1 May - 30 November 2018) |
Section 18 application (approved) (PDF, 8MB) UA Letter of Support (PDF, 1MB) |
ADA ACTIVE 2018 Section 18 Permit form (PDF, 176KB) OBSOLETE 2017 form (PDF, 29KB) OBSOLETE 2016 form (PDF, 29KB) |
| Sulfoxaflor | State of Arizona Specific Section 18 Exemption Application (approved) for use of Transform WG in cotton for Lygus control (approved for use periods: 1 June - 31 October 2017, 1 June - 31 October 2018) | Approved Request for Section 18 (PDF, 3.9MB) |
ADA ACTIVE 2018 Permit form (PDF, 179KB) OBSOLETE 2017 form (PDF, 34KB) |
| Thiodicarb | Cotton, sweet corn, soybeans, leafy vegetables, cole crops, ornamentals and other minor use crops | 12/21/2009 PDF, 129KB | 2/16/2010 PDF, 456KB |
| Thiophanate methyl | Melons, tree fruit, nuts (pecans and pistachio), tuber crops, beans, other crops | 3/31/2014 PDF, 282KB | 5/15/2014 PDF, 62KB |
| Quinoxyfen | Melons, Lettuces, Chiles | 1/23/2014 PDF, 184KB | 2/21/2014 PDF, 80KB |
| Topical Requests | Crops Affected or other information | ||
| Certification of Pesticide Applicators Rule Revision | EPA call for public comment on proposed changes to certification and training requirements for applicators, Docket ID: EPA-HQ-OPP-2011-0183 | 8/25/2015 PDF, 614KB | 1/23/2016 PDF, 119KB |
| Columbia Adoptions maximum residue limits (MRLs) |
The republic of Columbia announces maximum residue limits for imported produce: World Trade Organization (WTO) notification of Columbia's adoption of MRLs PDF, 94KB Republic of Columbia Resolution on Maximum Residue Limits for Pesticides PDF, 800KB |
10/26/2007 PDF, 107KB | no comments |
| EPA Enforcement Priorities, FY 2011-13 |
Related documents: Background Paper: Worker Protection Standard PDF, 31KB Background Paper: Pesticide Use at Day Care Facilities PDF, 27KB |
1/4/2010 PDF, 177KB | 1/19/2010 PDF, 17KB |
| Greenhouse production of peppers | IR-4 Inquiry regarding Southwest commercial greenhouse production of peppers | 1/28/2011 PDF, 82KB | 2/8/2011 PDF, 82KB |
| Pollinator Services | EPA request for public comment on proposed label changes for 76 Active Ingredients when used on crops with contracted pollinator services | 5/28/2015 | 8/28/2015 PDF, 512KB |
| Registration review data needs | All crops | 11/3/2008 PDF, 174KB | 11/25/2008 PDF, 103KB |
