Lugger, OttoUniversity of Minnesota. Entomological Division2017-02-022017-02-021899-10Lugger, Otto. The black rust or summer rust. The Hessian fly. Migratory locusts or grasshoppers. 1899. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 64, page 534-569 plus plateshttps://hdl.handle.net/11299/183806This 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/enThe black rust or summer rust. The Hessian fly. Migratory locusts or grasshoppersNewsletter or Bulletin