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Start Collecting Leafy Spurge Flea Beetles (07/11/19)

The degree day map indicates that most of ND is in the period between 1,200 and 1,600 ADD (sunflower GDD model NDAWN) when leafy spurge flea beetles should be collected.

The degree day map indicates that most of ND is in the period between 1,200 and 1,600 ADD (sunflower GDD model NDAWN) when leafy spurge flea beetles should be collected. Adult flea beetles can be collected with sweep nets. After late July (or 1,600 AGDD), flea beetles begin to lay eggs and should not be moved or collected.

See past Crop & Pest Report article on leafy spurge flea beetle for more information.

https://www.ag.ndsu.edu/cpr/entomology/degree-days-for-collecting-leafy-spurge-flea-beetles-07-04-19

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Janet J. Knodel

Extension Entomologist

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