Phylogeography of the Wheat Stem Sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae): Implications for Pest Management. oleh Vincent Lesieur, Jean-François Martin, David K Weaver, Kim A Hoelmer, David R Smith, Wendell L Morrill, Nassera Kadiri, Frank B Peairs, Darren M Cockrell, Terri L Randolph, Debra K Waters, Marie-Claude Bon