Crop & Pest Report



ent.knodel.1.lady beetle larvae

Soybean Aphid Scouting Alert (08/06/14)

Soybean aphid populations are growing fast with these moderate temperatures (high 70sF to low 80sF) and many new colonies and winged aphids are present in fields.

Read More… sunflower seed weevil

Get Ready To Scout for Red Sunflower Seed Weevils (07/31/14)

Red sunflower seed weevil (RSSW) adults will be emerging soon and will fly to the nearest flowering sunflowers.

Read More…

Banded Sunflower Moth and Sunflower Moth Trap Update (07/31/14)

Sunflower moth continues to be trapped at low, sub-economic levels in the IPM scouts’ pheromone traps.

Read More…

Soybean Aphids (07/31/14)

The IPM Crop Scouts surveyed 92 soybean fields last week and soybean aphids were observed in only 9% of the fields surveyed.

Read More…

ent.knodel.lygus bug

Insect Control in Confection Sunflowers (07/31/14)

Control of seed-infesting insect pests is important for confection sunflowers and dehulled oilseed sunflowers since they are grown under contract with very low tolerance levels of insect seed damage.

Read More…

ent.knodel.4.banded sunflower moth

Time to Scout for Banded Sunflower Moth (07/24/14)

IPM scouts are detecting increasing numbers of banded sunflower moths in pheromone traps.

Read More…

ent.knodel.7.wheat midge dd and wheat growth stages

Wheat Midge Update (07/24/14)

Wheat midge is near the end of its flight...

Read More…

ent.knodel.3.sunflower moth trapping

Sunflower Moth Detected in Traps (07/24/14)

One to two sunflower moths per trap per week were detected in IPM scout’s pheromone traps in Golden Valley, Stark and Cass Counties.

Read More…

ent.knodel.1soybean growth stages

Scout for Soybean Aphids (07/24/14)

The soybean aphids have arrived right on time!

Read More…

ent.knodel.wheat midge 2013 larval survey

Wheat Midge Degree Day Map (07/17/14)

Continue to scout for wheat midge from heading through early flowering (<50% flowered), especially in areas where the 2013 fall soil survey indicated moderate to high risk for wheat midge larvae (see map on right).

Read More… grasshopper

Watch For Increasing Grasshoppers (07/17/14)

Grasshopper nymphs are increasing in some areas (see maps below) and may start moving into field edges of crops.

Read More…

ent.knodel.sunflower grwth stage and banded sunflwr moth.maps

Banded Sunflower Moth Emerging (07/17/14)

IPM scouts trapped banded sunflower moth at one location near Carrington REC in Foster County, so emergence is beginning.

Read More…

ent.knodel.soybean aphids map

No Soybean Aphids (07/17/14)

The IPM Crop Scouts have surveyed over 80 soybean fields last week and no soybean aphids were observed in North Dakota.

Read More…

ent.knodel.argus tortoise beetle larvae

Argus Tortoise Beetle (07/17/14)

This peculiar looking larva is called the Argus tortoise beetle (Chelymorpha cassidea (Fabricius)).

Read More…


Scout for Barley Thrips (07/10/14)

Eighty-seven percent of the barley is in the advanced jointing crop stage in North Dakota (USDA NASS, ND – July 7, 2014) and susceptible to damage from barley thrips.

Read More…


Collect Leafy Spurge Flea Beetles (07/10/14)

The updated degree day map for leafy spurge flea beetles (Aphthona species) indicates that land managers should collect adult flea beetles in North Dakota.

Read More…

Wheat Stem Sawfly Emerging (07/10/14)

NDSU IPM scouts and crop consultants have observed the first adult wheat stem sawflies...

Read More…

Aster Leafhoppers - Low in Canola (071014)

Aster leafhoppers were detected in only 23% of the canola fields surveyed from June 30 through July 3 in North Dakota and Minnesota.

Read More…

Aster Leafhoppers Update (07/03/14)

Aster leafhoppers were found in only 20% of the canola field surveyed from June 21-25 in North Dakota and Minnesota.

Read More…

ent.knodel.2013 wheat midge larval survey

Increased Risk For Wheat Midge In NC ND (07/03/14)

Soil samples in North Dakota indicate increasing levels of overwintering wheat midge larvae (cocoons) in localized areas for the 2014 season.

Read More…

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.