Cereal leaf beetle in 33.3% of fields in southern Alberta. Locally, adults spread to the exterior of fields during their overwinter. Larvae tend to stay on the outside of crop fields, but are also found in the center. Local populations are never homogenously distributed, hotspots and empty places occur in each field. "O. melanopus" consumes nearly all cereal crops, but has a strong affinity for oats, barley, and rye, and its favorite host is wheat. Alternatives are corn, sorghum, and sudangrass for adults, and wild oats, quackgrass, timothy, canary grass, reed canary grass, annual and perennial ryegrass, foxtail, orchard grass, wild rye, smooth
Breakfast cereal the place where they are eaten. Breakfast cereals therefore often are fortified with minerals and vitamins and these additives may be regulated. For example, if breakfast cereal in Canada is fortified, they must contain the following specific amounts per 100 grams of cereal: Thiamine (2.0 mg), Niacin (4.8 mg), Vitamin B6 (0.6 mg), Folic Acid (0.06 mg), Pantothenic Acid (1.6 mg), Magnesium (160.0 mg), Iron (13.3 mg), Zinc (3.5 mg). Muesli is a breakfast cereal based on uncooked rolled oats, fruit, and nuts. It was developed around 1900 by the Swiss physician Maximilian Bircher-Benner for patients in his hospital. It