Entomology, Department of

 

Date of this Version

2023

Document Type

Article

Citation

Master of Science Degree Project, Department of Entomology, University of Nebraska-Lincoln, 2023

Comments

Copyright 2023, Bethany Thomas

Abstract

The wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae) is a native stem-mining insect pest of significant economic importance within the Northern Great Plains of the United States and the prairie provinces of Canada (Criddle, 1923). Cephus cinctus adult females specifically attack large-stemmed grasses, originally feral and later adapted to cultivated grasses, with dryland wheat, Triticum aestivum L. (Poaceae), as the most notable host (Morrill & Kushnak, 1996). As all but two weeks of the sawfly’s lifecycle is contained within a host-grass, understanding the ecological history, biological interactions, and economic impacts between C. cinctus and T. aestivum is crucial to implementing effective pest management strategies.

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