New monitoring methods for the walnut husk fly
Helmut Riedl, Department of Entomological Sciences, University of California, Berkeley
Robert G. Hislop, Department of Entomological Sciences, University of California, Berkeley
William W. Barnett, Fresno County
William W. Coates, Emeritus, San Benito County
Larry B. Fitch, Sutter County
Johannes L. Joos, Sonoma County
William H. Olson, Butte County
Joseph C. Profita
Wallace R. Schreader, San Joaquin County.
California Agriculture 35(9):21-22. DOI: 10.3733/ca.v035n09p21.
Helmut Riedl is Assistant Entomologist, Department of Entomological Sciences, University of California, Berkeley; Robert G. Hislop is Staff Research Associate III, Department of Entomological Sciences, University of California, Berkeley; William W. Barnett is Area IPM Specialist, Fresno County; William W. Coates is Farm Advisor, San Benito County; Larry B. Fitch is Farm Advisor, Sutter County; Johannes L. Joos is Area Farm Advisor, Sonoma County; William H. Olson is Farm Advisor, Butte County; Joseph C. Profita is former Staff Research Associate I; Wallace R. Schreader is Farm Advisor, San Joaquin County.
Yellow rectangle baited with ammonium carbonate was more attractive to husk flies than Pherocon AM trap (center) or green sphere.Yellow ammonium-carbonate-baited rectangles caught the most husk flies, but the green spheres were better indicators of egg-laying.