Crop & Pest Report

Accessibility


Entomology

knodel.7

Wireworm Pressure High (06/21/18)

Wireworm damage is being observed in sunflower in the Mohall area, especially in sunflower following small grain or corn.

Read More…

knodel.6

IPM Extension Publication (06/21/18)

This new extension fact sheet describes the different tools of Integrated Pest Management (IPM) for farmers in agriculture.

Read More…

knodel.5

Update on Leafy Spurge Flea Beetles Degree Days (06/21/18)

Most of North Dakota has accumulated enough degree days to start scouting for leaf spurge flea beetles for biocontrol of the noxious weed leafy spurge.

Read More…

knodel.1

Wheat Midge Emerging & 2018 Forecast (06/21/18)

Wheat midge emergence will be starting soon in the northern tier of North Dakota where it has been a major insect pest of hard red spring wheat and durum wheats.

Read More…

knodel.6

Collecting Leafy Spurge Flea Beetles for Biocontrol (06/14/18)

The southeast corner of North Dakota has accumulated enough degree days to start scouting for leaf spurge flea beetles for biocontrol of the noxious weed leafy spurge.

Read More…

boetel

Sugarbeet Root Maggot: Fly Activity Dropping, Watch Out for Resurgence (06/14/18)

Sugarbeet root maggot (SBRM) fly activity has diminished considerably in the past few days.

Read More…

knodel.8

Alfalfa Weevil Update (06/14/18)

Based on the degree day accumulations (see map below) for alfalfa weevils in North Dakota, we are pass the period when adults and larvae cause significant feeding injury on alfalfa.

Read More…

knodel.1

Scout for Grasshoppers in Field Edges (06/14/18)

Field reports indicate some grasshopper hot spots. A recent report of grasshopper defoliating dry beans near Park River in Ramsey County, NE area of North Dakota, had severe damage and required an edge treatment to prevent the grasshopper nymphs (young grasshoppers) from moving further into the field.

Read More…

boetel.1

Sugarbeet Root Maggot: Peak Fly is Here! (06/07/18)

Sugarbeet root maggot (SBRM) flight activity began substantially earlier than average this year; however, recent cool and wet weather has resulted in a few day of relatively low activity throughout much of the Valley.

Read More…

knodel.2

Scout for Cutworms (06/07/18)

Cutworm damage is starting to show up in the emerging field crops. Cutworm larvae are difficult to scout for since they feed at night-and hide underneath clumps of soil during the day.

Read More…

knodel.1

Canola Flea Beetles Still Hungry! (06/07/18)

As reported in the May 24th issue of the Crop & Pest Report, field monitoring for flea beetles and their feeding injury (defoliation, pitting in cotyledons/true leaves) is crucial when populations can increase rapidly with warm, calm and sunny days.

Read More…

boetel.1

Sugarbeet Root Maggot: Hot Weather has Unleashed Many Flies Early! (5/31/18)

Unseasonably high temperatures during the past several days have resulted in exceptionally early and unusually high sugarbeet root maggot (SBRM) fly activity at several locations throughout the Red River Valley (RRV).

Read More…

jan1

IPM Survey Underway (5/31/18)

Six scouts were hired for the 2018 Integrated Pest Management (IPM) Survey in field crops of North Dakota!

Read More…

Jan Knodel Ent

Scout for Flea Beetles in Canola (05/24/18)

The two most important flea beetles species in canola are the crucifer flea beetle, Phyllotreta cruciferae Goeze, and the striped flea beetle, Phyllotreta striolata (Fabricius) (Coleoptera: Chrysomelidae).

Read More…

e1884 dry bean.2017 Page 01

New 2017 Dry Bean Grower Survey (05/17/18)

This NDSU Extension publication E1884 provides important updates in dry bean production, pest problems and pesticide use in Minnesota and North Dakota.

Read More…

soybean aphids knodel.1

New Multi-State Entomology Publications (05/10/18)

Management Of Insecticide-Resistant Soybean Aphids E1878 & Pulse Crop Insect Diagnostic Series Field Peas, Lentils And Chickpeas E1877

Read More…

e1879 Part1.thumb.

Pea Leaf Weevil – New Pest of Field Pea and Faba Bean in Western ND (05/03/18)

A new NDSU Extension publication E1879 Integrated Pest Management of Pea Leaf Weevil in North Dakota was printed this April.

Read More…

knodel.1

2017 IPM Survey Results – Small Grain Summary (09/14/17)

The purpose of the IPM (Integrated Pest Management) Survey is to detect the presence and population levels of diseases and insect pests in various crops, including those that are common in wheat and barley grown in North Dakota.

Read More…

knodel.2

Wheat Stem Sawfly Lodging (08/31/17)

Lodging from wheat stem sawfly was observed this past week near Grenora in Divide County, northwest North Dakota (Source: Clair Keene, Area Extension Specialist/Cropping Systems, Williston REC).

Read More…

knodel.1

Late Season Soybean Aphids (08/31/17)

Soybean aphid infestations near the economic threshold (E.T.) of 250 aphids per plant and 80% incidence have been reported in some soybean fields in the R6 (full seed set, green seed that fills pod in one of four uppermost nodes) in southeast North Dakota.

Read More…

Document Actions

This site is supported in part by the Crop Protection and Pest Management Program [grant no. 2017-70006-27144/accession 1013592] from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed are those of the website author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

USDA logo

Creative Commons License
Feel free to use and share this content, but please do so under the conditions of our Creative Commons license and our Rules for Use. Thanks.