 North Dakota Durham yields are forecast at a record 46 bushels per acre. Barley production is expected to be down 45% from a year ago. USDA is projecting North Dakota barley yields to tie the record of 74 bushels per acre. With increasing temperatures, aphid numbers are up this week. University of Minnesota Extension entomologist Dean McCray indicates 10 locations reported this past week. Aphid numbers are up over last year, but still below this time last year.