Skip to main content

Articles

Map of Nebraska counties showing wheat stem sawfly and parasitoid presence, overlaid on a close-up photo of a wheat stem sawfly on a wheat stem.

Published: September 11, 2025

Wheat Stem Sawfly Update: New GDD Tool to Track Spring Flight

Vinicius Zuppa - Assistant Extension Educator, Samantha Daniel - Extension Educator, Ruby Collins - Extension Educator, Amanda Easterly - Research Associate Professor, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Pin-Chu Lai - Extension Entomologist

larvae inside wheat stem

Published: April 17, 2025

How Have Winter Temperatures Affected Insect Overwintering in Nebraska?

Julie Peterson - Extension Entomologist, Ana Lima - Post-Doctoral Research Associate, Alisson da Silva Santana - Post-Doctoral Research Associate, Department of Entomology, Justin McMechan - Crop Protection and Cropping Systems Specialist, Pin-Chu Lai - Extension Entomologist, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

Insects in a line on flat surface

Published: June 12, 2024

Wheat Stem Sawfly Flights Peaked, New Reports of Range Expansion

Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Cody Creech - Dryland Cropping Systems Specialist, Amanda Easterly - Research Associate Professor, Jessica Groskopf - Extension Educator for Agricultural Economics, Samantha Daniel - Extension Educator, Julie Peterson - Extension Entomologist, Pin-Chu Lai - Extension Entomologist

Wheat stem sawfly on plant

Published: March 15, 2024

Zuppa Selected to Receive Sustainable Agriculture Grant from NCR-SARE

Wheat plot tour participants in field

Published: August 24, 2023

Nebraska Extension Aids Growers with Studies on Wheat Planting Varieties

Chabella Guzman - Panhandle Research, Extension and Education Center Communications Specialist

Wheat stem sawfly

Published: July 6, 2023

‘Great Plains Sawfly Survey Project’ Seeks Grower Input

Nebraska Extension

Wheat stem sawfly

Published: June 7, 2021

Wheat Stem Sawfly Emergence — Field Notes from Early June

Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Cody Creech - Dryland Cropping Systems Specialist, Amanda Easterly - Research Associate Professor, Jessica Groskopf - Extension Educator for Agricultural Economics

Overwintering sawfly larva

Published: February 26, 2021

How Have the Cold February Temperatures Affected Insect Overwintering in Nebraska?

Julie Peterson - Extension Entomologist, Justin McMechan - Crop Protection and Cropping Systems Specialist, Lance Meinke - Professor of Entomology, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

sawfly larva within its pupal chamber

Published: September 1, 2020

Wheat Stem Sawfly in 2020

Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

wheat stem sawfly adult

Published: July 23, 2020

Wheat Stem Sawfly Infestations Continue to Impact Harvest in the Nebraska Panhandle

John Thomas - Crops Extension Educator, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Karen DeBoer - Former Extension Educator

fence row of a wheat field

Published: January 28, 2020

Advances in Understanding the Management of the Wheat Stem Sawfly

Bethany Thomas - Entomology Graduate Research Assistant, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

Wheat stem sawfly adult

Published: August 30, 2019

Management Decisions Impact Wheat Stem Sawfly Populations

Bethany Thomas - Entomology Graduate Research Assistant, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

A field of lodged wheat with an inset photo showing wheat stubs where the wheat stem sawfly overwinters.

Published: August 30, 2018

Increased Wheat Stem Sawfly Populations In 2018

John Thomas - Crops Extension Educator, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

wheat stem sawfly in a wheat stem

Published: June 7, 2018

Cultural Management Options for Wheat Stem Sawfly

Cody Creech - Dryland Cropping Systems Specialist

Wheat stem sawfly video screen capture

Published: June 6, 2018

Wheat Stem Sawfly Numbers Up in the Panhandle

Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program

Chart looking at adult sawflies from spring-disced summer fallow

Published: January 8, 2018

Wheat Insect Pest Update

Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Julie Peterson - Extension Entomologist