M.E. Dix

• Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich
• Biology and control of lilac borer in the northern Great Plains
• Carbofuran applications fail to reduce damage to seeds and cones of Scotch pine in North Dakota and Nebraska
• Detecting tip mining Olethreutinae (Torticidae) moths in the northern and central Great Plains with synthetic attractants
• Effectiveness of carbaryl and acephate in reducing damage by Petrova metallica (Busck) (Lepidoptera:Tortricidae) in ponderosa pine windbreaks