Second International Symposium on Molecular Insect Science, Flagstaff, Arizona, 1993

Sensory Transduction in Insects, Free University of Berlin, Berlin, Germany, 1994

Merck & Co., 1996

Essex County College , Newark, NJ, 2001

Nottingham Trent University, Nottingham, UK, 2001

22^nd Blankenese Conference, Brain function and dysfunction, Hamburg-Blankenese, Germany