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Phenology And Dispersal Of The Wheat Stem Sawfly (Hymenoptera: Cephidae) Into Winter Wheat Fields In Nebraska, Chris T. Mccullough, Gary L. Hein, Jeff Bradshaw Dr.
Phenology And Dispersal Of The Wheat Stem Sawfly (Hymenoptera: Cephidae) Into Winter Wheat Fields In Nebraska, Chris T. Mccullough, Gary L. Hein, Jeff Bradshaw Dr.
Department of Entomology: Faculty Publications
Historically, the wheat stem sawfly, Cephus cinctus Norton was a pest in spring wheat-growing regions of the northern Great Plains. However, in the 1980s, it was found infesting winter wheat fields in Montana. Infestations were first detected in western Nebraska in the 1990s, and have since spread throughout the Nebraska Panhandle. Larval damage occurs from stem-mining, but stem girdling that results in lodged stems that are not harvested results in the greatest yield losses.The biology and phenology of the wheat stem sawfly are well described in the northern portion of its range, but they are lacking in Colorado, southeast Wyoming, …