R.S. Pfannenstiel

Research Entomologist
USDA-ARS
Beneficial Insects Research Unit
2413 E. Highway 83
Weslaco, TX
USA 78596
Email: bob.phannenstiel@ars.usda.gov

Papers:
Multi-State Survey of Picture-Winged Flies (Diptera:Ulidiidae) Attacking Sweet Corn In the Southern U.S