Crop & Pest Report




Diamondback Moth in Canola (06/12/14)

Larvae of diamondback moth infesting canola were found in canola located in southwest of Roseglen, McLean County, north central ND.

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entomology.boetel.table 1 accum.dd.jing

Sugarbeet Root Maggot Update: Fly Activity Slowly Building (06/12/14)

Sugarbeet root maggot (SBRM) fly activity is being monitored this year at 40 Red River Valley (RRV) sites by NDSU staff in cooperation with American Crystal Sugar Company and the MinnDak Farmers Cooperative.

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Scout for Wheat Midge (07/10/14)

Scouting for wheat midge is critical 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.

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Entomology.Boetel.Sugarbeet root maggot DD

Sugarbeet Root Maggot: Fly Activity Low, Peaks Expected in 1 to 2 Weeks (06/05/14)

Corresponding with the relatively slow start to the 2014 growing season, sugarbeet root maggot (SBRM) fly emergence is also off to a slow start.

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Entomology.Knodel.grasshopper DD Map

Scouting Key to Successful Insect Pest Management (06/05/14)

Scouting is crucial now when field crops are in early development stages. So, scout regularly for alfalfa weevil, cutworms, and grasshoppers

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Entomology.Knodel.flea beetles

High Populations of Flea Beetles in Canola (06/05/14)

Flea beetles have emerged in large numbers with the warm, sunny days. Significant feeding injury (>50% defoliation) and stand loss are being observed in Bottineau, Rolette, Towner, Cavalier, Ramsey, Walsh, and Dunn Counties, especially on the early-seeded canola (before mid-May).

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entomology.crane fly

Not a Giant Mosquito (05/29/14)

Several calls have come in about these giant mosquito-like insects.

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entomology.alfalfa weevil

Adult Alfalfa Weevil Emerging (05/29/14)

Due to the recent hot weather, adult alfalfa weevils are emerging and have been observed in the southern regions and north central regions of North Dakota (sources: V. Chapara, NCREC).

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Ent Alfalfa Weevil

Too Early for Alfalfa Weevil Scouting (05/22/14)

Alfalfa weevil was a major pest problem in forages last year, especially in the southwest and south-central regions of North Dakota.

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Slow Development for Soil Insects (05/15/14)

Most of the bare / turf soil temperatures are still below 50 degrees F for most of North Dakota.

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Be Safe – Prevent Tick Bites! (05/08/14)

With warmer spring weather, tick season is upon us.

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