Author Affiliations +
Robert S. Anderson,1 Andrew R. Cline2
1Canadian Museum of Nature, PO Box 3443, Station D Ottawa, ON K1P 6P4, CANADA RAnderson@mus-nature.ca
2Plant Pest Diagnostics Center, California Department of Food & Agriculture 3294 Meadowview Rd., Sacramento, CA 95832, U.S.A. acline@cdfa.ca.gov