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 Breakfast cereal Breakfast cereal is a food product made from processed cereal grains and often eaten for breakfast, primarily in Western societies. It is most often mixed with milk, yogurt, or fruit. Some companies promote their products for the health benefits from eating oat-based and high-fiber cereals. In the United States, cereals are often fortified with vitamins but can also lack many of the vitamins needed for a healthy breakfast. A significant proportion of cereals are made with high sugar content. Many breakfast cereals are produced via extrusion. The breakfast cereal industry has gross profit margins of 40–45%, 90% penetration