Lugger, OttoUniversity of Minnesota. Entomological Division2017-01-302017-01-301893-03Lugger, Otto. The classification of insects and their relation to agriculture. 1893. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 28, page 73-143https://hdl.handle.net/11299/183769This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/enNewsletter or Bulletin