Abstract
1Department of Anatomical Sciences, State University of New York, Stony Brook, New York 11794
2Insect Biocontrol Laboratory, U. S. Department of Agriculture, Beltsville, Maryland 20705
3Vegetable Laboratory, U. S. Department of Agriculture, Beltsville, Maryland 20705
4Mycoplasma Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, Frederick Cancer Research Facility, Frederick, Maryland 21702
5Laboratoire de Biologie Cellulaire et Moléculaire, Institute Nationale de la Recherche Agronomique and Université de Bordeaux II, 33883 Villenave d'Ornon, France