Crop & Pest Report




Wheat Midge Degree Days for Scouting (06/23/16)

A degree-day model is a good predictor of wheat midge emergence for timing field scouting.

Read More…


Scout for Pea Aphids in Pulse Crops (06/23/16)

Low numbers of pea aphids, only 1 per sweep, are being found in field peas in Mountrail, Divide and Williams counties, and in lentils in Williams and McKenzie counties

Read More…


Wheat Midge Forecast For 2016 (06/23/16)

Soil samples in North Dakota showed low levels of overwintering wheat midge larvae (cocoons) for the 2016 season.

Read More…


Leafy Spurge Flea Beetles - DD Update (06/23/16)

Accumulated growing degree days (AGDD) from NDAWN (sunflower degree days/growth stage application) indicated that leafy spurge flea beetles are getting close to 1,200 when flea beetles should be collected between 1,200 and 1,600 AGDD.

Read More…


Scout for Colorado Potato Beetles (06/23/16)

Adult Colorado potato beetles are emerging from overwintering sites.

Read More…


Invasive Insect Watch (06/23/16)

If you see any of these insects, please contact your local county extension office, the North Dakota Department of Agriculture or one of the authors listed below. Thank you

Read More…

ent.knodel.5 6

Diamondback Moth and Cabbage Moth Found in Canola (06/16/16)

Larvae of the diamondback moth and imported cabbage moth have been observed on canola fields near Langdon in Cavalier County.

Read More…


Get Ready to Collect Leafy Spurge Flea Beetles (06/16/16)

The noxious weed, leafy spurge, is flowering in ditches and pastures.

Read More…


Wheat Curl Mite & Viruses in Wheat (06/09/16)

In North Dakota, wheat curl mites are being found in spring wheat and winter wheat samples.

Read More…


Sugarbeet Root Maggot: Peak Fly is Here! (06/09/16)

Sugarbeet root maggot (SBRM) fly activity has increased significantly in the past couple of days, and by the time this report is published, activity levels will have peaked in the southern and central Red River Valley (RRV).

Read More…


Watch For Cereal Aphids in Winter Wheat and Spring Wheat (06/09/16)

Field reports from Minnesota (MN) indicate that cereal aphids are become more common and abundant in winter wheat and spring wheat in southern areas of MN, but not the central and northern areas of MN (Source: P. Glogoza & B. Potter, UMN, pers. comm.)

Read More…

ent.boetel.sticky trap

Sugarbeet Root Maggot: High Activity Expected Next Week! (06/02/16)

Sugarbeet root maggot (SBRM) fly activity is currently at low levels throughout most of the Red River Valley (RRV); however, several sites within the Valley will experience very high populations this year.

Read More… cycle

Mystery Insect (06/02/16)

This insect (life stage) was observed in garden soil in Burleigh County.

Read More…

Scout for Grasshoppers (06/02/16)

IPM Scouts have observed very low numbers of grasshopper nymphs (only 1 nymph per square yard) that have just hatched in field ditches in Cass and Barnes counties in SE ND.

Read More…


Sugarbeet Root Maggot: Flies could come Early this Year (05/26/16)

Recent periods of relatively warm temperatures in the Red River Valley (RRV) have likely accelerated development of overwintered sugarbeet root maggot (SBRM) larvae.

Read More…


Wireworm Pressures High (05/26/16)

Numerous calls/emails on crops (winter wheat, hard red spring wheat, field pea, and sugar beets) damaged by wireworms have been received over the past weeks, especially in crops in no-till systems.

Read More…

Transform Insecticide Update (05/26/16)

EPA has open a comment period on Transform®/Closer®/Sequoia® with Isoclast® insecticide (a.i. sulfoxalfor) from Dow AgroSciences until June 17th.

Read More…


Alfalfa Weevil Emerging (05/19/16)

Based on May 17th degree day accumulations (see map below) for alfalfa weevils in North Dakota, adult weevils are emerging.

Read More…

Cereal Aphid Update (05/19/16)

In addition to last week’s detection of cereal aphids in SE area of North Dakota, low densities of cereal aphids were detected in Minot in NC area.

Read More…

ent.1.flea beetle

Scout for Flea Beetles in Canola (05/19/16)

Crucifer and stripped flea beetles have emerged from overwintering sites in shelterbelts and have been observed in canola fields in Langdon and Minot .

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.