1. Department of Anatomical Sciences, State University of New York, Stony Brook, NY 11794, USA
2. Faculty of Agriculture, Kyushu University, Fukuoka, Japan
3. Insect Biocontrol Laboratory, US Department of Agriculture, Beltsville, MD 20705, USA
4. Vegetable Laboratory, US Department of Agriculture, Beltsville, MD 20705, USA
5. Mycoplasma Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, Frederick Cancer Research Facility, Frederick, MD 21702, USA
6. Laboratoire de Biologie Cellulaire et Moléculaire, Institut National de la Recherche Agronomique and Université de Bordeaux II, 33883 Villenave d'Ornon Cedex, France