2010
University of Alberta, Edmonton, Alberta, Canada

2009
Institute of Zoology, Chinese Academy of Sciences, Beijing, China

2008
The University of Tennessee at Chattanooga, Chattanooga, Tennessee, USA.

2007
Nelson Mandela Metropolitan University, Port Elizabeth, South Africa

2006
San Jose, California, USA

2005
Universidade de Brasília, Brasília, Brazil

2004
Columbia University, New York, New York, USA

2003
University of Minnesota, Duluth, Minnesota, USA

2002
University of Kent at Canterbury, United Kingdom

2001
University of Hawaii, Hilo, Hawaii, USA

2000
University of Montana, Missoula, Montana, USA

1999
University of Maryland, College Park, Maryland, USA

1998
Macquarie University, Sydney, Australia

1997
Victoria University, Victoria, British Columbia, Canada

1996
Brown University, Providence, Rhode Island, USA

1995
Colorado State University, Fort Collins, Colorado, USA

1994
University of Guadalajara, Jalisco, Mexico

1993
Arizona State University, Tempe, Arizona, USA

1992
Virginia Tech, Blacksburg, Virginia, USA

1991
University of Wisconsin, Madison, Wisconsin, USA

1990
University of Florida, Gainesville, Florida, USA

1989
University of Toronto, Toronto, Ontario, Canada

1988
University of California, Davis, Davis, California, USA

1987
Montana State University, Bozeman, Montana, USA