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
Nepalese sorghum it contains many resilient qualities. In addition, the cost of production in Asia has been said to have decreased (per ton) between the 1980s and 1990s compared to the cost in the 1970s. The cost and return ratio from improved varieties in Asia is around a 1:1.4 ratio. This is a good ratio for subsistent farmers. Nepalese sorghum Sorghum (Sorghum bicolor) comes from the Latin name “Syrucum (granum)” which means “grain of Syria” however it originated in eastern Africa. Sorghum is an important species of the grass family, Paceae, and is considered the world’s fifth most important cereal crop. There