1. Division of Entomology, Walter Reed Army Institute of Research; 503 Robert Grant Avenue Silver Spring MD 20910 U.S.A.
2. Walter Reed Biosystematics Unit, Smithsonian Institution; Museum Support Center; Suitland MD 20746 U.S.A.
3. PECET; Universidad de Antioquia; Medellin Colombia
4. Wadsworth Center, New York State Department of Health; Albany NY 12159 U.S.A.
5. Department of Biomedical Sciences, School of Public Health; State University of New York; Albany NY 12222 U.S.A.
6. Departamento de Epidemiologia, Faculdade de Saúde Pública; Universidade de São Paulo; SP Brazil
7. Instituto Evandro Chagas; Ananindeua Pará Brazil
8. Superintendência de Controle de Endemias; Araraquara São Paulo Brazil