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Cornell University

The Nault Lab

Applied insect ecology and management of vegetable insect pests

Extension Publications

Newsletter Publications

2025

An update on insecticide seed treatments for onion in New York: Guidelines for 2026. VegEdge 21(20): 9-11.

Non-Neonicotinoid Insecticides Show Promise for Managing Colorado Potato Beetle in New York (VegEdge newsletter, Vol 21, Iss. 5, 4/30/25, see pages 4-5)

Using Pheromone-Baited Traps to Monitor Corn Earworm in Sweet Corn (VegEdge newsletter, Vol 21, Iss. 5, 4/30/25, see pages 1, 3)

Potato Seed Treatments and In-Furrow Insecticide Applications for Colorado Potato Beetle Management and Consideration for Resistance Management (VegEdge newsletter, Vol 21, Iss. 3, 3/12/25, see pages 1, 3-4)

New Insecticide for Maggot Control in Transplanted Onion: Verimark Labeled as Tray Drench in Plug Transplants (VegEdge newsletter, Vol 21, Iss. 3, 3/12/25, see pages 6-7)

It pays to trap: Virginia Case Studies of Corn Earworm IPM on Sweet Corn [Link]

2023

Insecticide Programs to Consider for Onion Thrips Control in Onion in 2023 (VegEdge newsletter, Vol 19, Iss. 9, 6/7/23, pages 8-9)

2022

Guidelines for Maggot and Disease Control in Onion with an Emphasis on Seed Treatments (VegEdge newsletter, Vol 18, Iss. 22, 9/14/22, pages 7-10)

Are Onion Thrips Allies of Bulb-Rot-Causing Bacteria in Organic Onion Production? (VegEdge newsletter, Vol 18, Iss. 16, 7/27/22, pages 9-10)

Lorsban is Banned: How to Control Cabbage Maggot in Brassicas Now? (VegEdge newsletter, Vol 18, Iss. 4, 4/4/22, pages 4-6)

Potato Seed Treatments and In-Furrow Insecticide Applications for Colorado Potato Beetle Resistance Management (VegEdge newsletter, Vol 18, Iss. 3, 3/1/22, pages 1, 3-4)

2021

Movento and Mancozeb Recommended for First Insecticide and Fungicide Sprays in Onion (VegEdge newsletter, Vol 17, Iss. 9, 6/9/21, pages 6-7)

2020

Onion Seed Treatment Recommendations for 2021 Featuring Trigard for Onion Maggot Control (VegEdge newsletter, Vol 16, Iss. 24, 11/2/20, pages 4-5)

Insecticide Programs to Consider for Onion Thrips Control in Onion in 2020 (Vegedge newsletter, Vol 16, Iss. 14, 7/8/20, pages 8-9)

Bioinsecticides and Cultural Controls for Onion Thrips in Organic Onions (Vegedge newsletter, Vol 16, Iss. 11, 6/17/20, pages 6-7)

Black Cutworm and True Armyworm Moths Have Arrived in New York (Vegedge newsletter, Vol 16, Iss. 7, 5/13/20, page 10)

2019

Seed Treatment Recommendations for Onion Maggot Control in 2020 (Vegedge newsletter, Vol 15, Iss. 24, 11/4/19, pages 4-5)

Monitoring Susceptibility of Onion Thrips to Radiant SC (Vegedge newsletter, Vol 15, Iss. 22, 9/18/19, pages 6-7)

2019 Cornell Guidelines for Onion Thrips Management in Onion (Vegedge newsletter, Vol 15, Iss. 14, 7/17/19, pages 8-9)

2018

Insecticide Sequences to Manage Onion Thrips in Onion in 2018 (Vegedge newsletter, Vol 14, Iss. 10, 6/13/18, pages 8-9)

2017

2017 Insecticide Treatment Options for Onion Thrips Management in Onion (Vegedge newsletter, Vol 13, Iss. 12, 6/28/17, pages 8-9)

Pesticide Options for Pests of Potato in New York (VegEdge newsletter, Vol 13, Iss. 12, 6/28/17, pages 4-5)

2016

Pesticide Options for Pests of Potato in New York (VegEdge newsletter, Vol. 12, Iss. 4, 4/1/16, pages 6-7)

2014

Managing Colorado Potato Beetle Insecticide Resistance – New Tools & Strategies (Vegedge newsletter, Vol 10, Iss. 9, 6/11/14, page 4)

Onion Maggot (Delia antiqua Meigen). Cornell University Department of Entomology and New York State IPM factsheet. [Link]

2013

Is it Worth Supplementing Pumpkin Fields with Bees (Vegedge newsletter, Vol 9, Iss. 2, 2/1/13, pages 6-7)

2012

New developments for managing onion maggot. Muck and Mineral Dec.: 1-5.

New Developments for Managing Onion Maggot (Vegedge newsletter, Vol 8, Iss. 28, 12/1/12, pages 10-13)

Guidelines for Managing Onion Thrips in Onion (Vegedge newsletter, Vol 8, Iss. 5, 5/1/12, pages 14-17)

Guidelines for managing onion thrips on onion. Muck & Mineral June 2012: 1-5.

Control of Colorado Potato Beetle & Insecticide Resistance Management (Vegedge newsletter, Vol 8, Iss. 3, 3/1/12, pages 1, 3-4)

Can Pumpkin Yield be Increased by Supplementing Fields with Honey Bees or Bumble Bees? (Vegedge newsletter, Vol 8, Iss. 2, 2/1/12, pages 4-5)

2011

Onion Insect Pests. Onion ipmPIPE Diagnostic Pocket Series.

Onion Thrips Management in Onions: Consider Before You Spray (Vegedge newsletter, Vol 7, Iss. 5, 5/1/11, pages 6-9)

Onion thrips management in onions: Information to consider before your first spray. Muck & Mineral April 2011: 1-5.

2010

New insecticide seed treatments for onions, snap & dry beans, cucurbits, carrots & broccoli. VegEdge 6(12): 14.

New insecticide seed treatments for selected vegetable crops. Muck and Mineral Nov./Dec. 1-2.

Nault, B. A. and J. Kikkert. 2010. Viruses in beans: Symptoms & Vectors. VegEdge 6(6): 4-5.

Nault, B. A. and A. M. Shelton. 2010. Battling onion thrips using insecticides. VegEdge 6(6): 15-17.

Nault, B. A. 2010. New insecticides for insect pest management. VegEdge 6(2): 14-15.

2009

Production Guide for Organic Beans for Processing. NYS IPM Publication No. 132.

Production Guide for Organic Carrots for Processing. NYS IPM Publication No. 133.

Production Guide for Organic Cucumbers and Squash for Processing. NYS IPM Publication No. 135.

Production Guide for Organic Peas for Processing. NYS IPM Publication No. 137.

Onion thrips management: New insecticides and timing strategies. VegEdge 5(7): 10-11.

2008

Update: Insecticides and sequences of applications for onion thrips control. VegEdge 4(7): 6-9.

Insecticides and sequences of applications for onion thrips control in onion fields. Muck & Mineral. June 2008. pp. 1-3.

Insecticides and timing for onion thrips control. VegEdge 4(6): 12-14.

2007

Product label updates for onion insect management. Muck and Mineral. December 2007.

Using insecticides to manage onion thrips. VegEdge 3(7): 12-14

2005

Using environmentally friendly biopesticides to control vegetable pests. Report for the Organic Agriculture at Cornell PWT 2004-2005 project summary publication.

New recommendation of onion maggot control in New York. VegEdge 1(11): 11-13.

Reducing risk of yield loss by cucumber mosaic virus in snap bean: a possible solution. VegEdge 1(8): 5-8.

Expected performance of new insecticide seed treatments on snap bean, dry bean and sweet corn. VegEdge 1(5): 9-10.

2004

Potato leafhopper control in snap bean using foliar-applied insecticides. Lake Plains Vegetable News. 13: 17-19.

Update on insect control on tomatoes in Virginia. Virginia Vegetable, Small Fruit and Specialty Crops. Virginia Cooperative Extension. 3(1).

2003

Mid-Season update on the snap bean/virus situation in western New York. Lake Plains Vegetable News 12(8): 5-6.

Vydate and Metasystox-R (MSR) for onion thrips control. Lake Plains Vegetable News 12(6): 9-10.

2000

Changes in the use of acephate for vegetable insect pest management. Vegetable Grower News 7(3): 3.

Amendment to 2000 Admire 2F Label. Vegetable Grower News 7(2): 5.

Commercial Vegetable Production Recommendations Guide for Virginia. 1997-2000. No. 456-420

1999

Wireworm control in Irish potatoes. Vegetable Grower News 6(1): 3-4.

Survey predicts erratic levels of corn earworm/cotton bollworm. In VCE Pest Management Report. Publ. 16: 1.

Insect control in snap beans. Vegetable Grower News 6(4): 8-9

1998

Insect control in sweetpotatoes. The Sweetpotato Hotline. Virginia Sweetpotato Grower’s Association Newsletter 3(1): 1.

Cucumber beetle management in fresh-market cucumbers. Vegetable Grower News 5(3): 2-4.

Insect management in sweetpotatoes. Hayman Heads Up! Virginia Eastern Shore Corporation. Oct. Issue.

Caterpillar management in cabbage. Vegetable Grower News 5(4): 7-9.

1997

Could natural populations of lady beetles be manipulated to have a practical impact on Colorado potato beetle management? Midwest Biological Control News 4(7): 4-5.

Considerations for use of AdmireÒ to manage Colorado potato beetles in potatoes. Vegetable Grower News 4(5): 5-7

1996

Life history and management of European corn borer in potatoes. Vegetable Insect Pest Management, Department of Entomology Insect Note. Insect Note #2.

1995

Life history and management of the Colorado potato beetle in North Carolina potatoes. Vegetable Insect Pest Management, Department of Entomology Insect Note. Insect Note #45.

Trade Magazine Articles

2024

Maggots-Be-Gone: An update on insecticide seed treatment performance. Onion World 40(8): 6-9. [Link]

2022

Do thrips facilitate bulb rot disease? Onion World 38(8). [Link]

Seed treatments: What to know to protect your 2023 onion crop. Onion World 38(7): 28-31. [Link]

2021

Less is more: Reducing inputs benefits onion production in muck soil. Onion World 37(4): 8-10. [Link]

2020

Allium leafminer is no minor inconvenience: Updates from the northeastern US. Onion World 36(3): 6-9. [Link]

2019

Are onion thrips developing resistance to Radiant SC? Onion World. 35(8): 6-8. [Link]

Tackling thrips in organic onions. Onion World 35(5): 7-9. [Link]

Nitrogen: Is less more? Studies in Michigan and New York highlight potential for reducing nitrogen rates on muck soils. Onion World 35(5): 14-16. [Link]

2016

Medicating onions for thrips infestations: New remedies to consider. Onion World 32(3): 8-13.

2015

Onion maggot and onion thrips management in onion. Onion World 31(2): 16-19.

2014

Landscape a factor when assessing pollination needs. Vegetable Grower News 48(3): 25-26.

IYSV New York flare-up: Should onion growers be concerned? Onion World 30(2): 14-21.

Onion thrips population genetics and implications for management. Onion World 30(2): 22-25.

2012

How to win the battle against onion thrips. Onion World. March/April 2012. pp. 14-17.

2010

Thrashing thrips. American Vegetable Grower. November 2010. pp. 43-44.

Onion thrips control in New York. Onion World. 26(1): 12-14.

2009

Cornell team looks at onion thrips and Iris yellow spot virus in New York. Onion World. 25(4): 6-8.

2008

Virus vectors: Understanding how cucumber mosaic virus is transmitted in snap beans may help growers reduce its incidence. American Vegetable Grower. December 2008. pp. 68-70.

2007

Ecology and management of onion maggot. Onion World. 23(1): 24-27.

2006

Biology and ecology of onion thrips in onion fields. Onion World. 22(8): 10-12.

Don’t let onion thrips resist. American Vegetable Grower. January 2006. pp. 26.

2005

Strategies that may be used to enhance onion maggot management. Onion World. 21(4) 8.

Control of onion thrips by selecting the right insecticide and sprayer. Onion World. 21(4): 8.1. lanning for NYSAES.