America / Africa / Asia / North America / Europe / South America / Antarctica / /
Country
Mexico / Chile / United States / Canada / China / Argentina / / /
Facility
University of Montreal / Mississippi College / Brigham Young University / Cornell University / Mr. Dennis Heimdal University of Iowa Hygienics Laboratory Iowa City / University of Arizona / Dr. Barry C. Poulton Columbia Environmental Research Center River Studies Station / University of North Texas / University of Wisconsin / /
University of North Texas / University of Montreal / Cornell University / Brigham Young University / Mississippi College / Dennis Heimdal University of Iowa Hygienics Laboratory Iowa City / University of Arizona / University of Wisconsin / R. Edward DeWalt Illinois Natural History Survey Center for Biodiversity / /
Person
Fred Kirchner / R. Edward DeWalt / Pictet / Dennis Heimdal Stoneflies / Matthew Terry / Riley Nelson / William E. Ricker / Herbert Ross / Peter Harper / Charlie Nelson / Barry C. Poulton / K. Alexander D. Heimdal / Boris Kondratieff / Peter W. Claassen / Kevin Alexander / Kenneth Stewart / Theodore H. Frison / Stan Szczytko / Barry C. Poulton Columbia / Dennis Heimdal / / /
Position
researcher / nymphal head / widened head / ventral head / author / non-specialist / /
NORTH AMERICAN BENTHOLOGICAL SOCIETY PLECOPTERA TECHNICAL WORKSHOP