The Mayfly Newsletter was established in 1990 to facilitate communication among ephemeropterists.  It is published twice a year and is the official newsletter of the International Conferences on Ephemeroptera.  Currently over 380 people in 42 countries receive this newsletter.  Subscriptions are free. To place your name on the mailing list or to contribute information for the next issue, contact Peter M. Grant, editor, The Mayfly Newsletter, 100 Campus Drive, Department of Biological Sciences, Southwestern Oklahoma State University, Weatherford, Oklahoma 73096-3098 USA, phone (580) 774- 3294, fax (580) 774-7140, email grantp@swosu.edu.