Author Affiliations +
Richard L. Westcott,* William H. Clark**,***
*Richard L. Westcott, Plant Division, Oregon Department of Agriculture, 635 Capitol NE, Salem, Oregon, 97301, U.S.A., e-mail: rwestcott@oda.state.or.us
**e-mail: bclark@ collegeofidaho.edu (corresponding author).
***William H.Clark, Museo de Artrópodos del CICESE, Departamento de Biología de la Conservación, Centro de Investigación Cientifica y de Educación Superior de Ensenada, Apdo. Postal 2732, CP 22830, Ensenada, Baja California, México and Orma J. Smith Museum of Natural History The College of Idaho, Caldwell, Idaho, 83605, U.S.A.