dcsimg
 The custom PDF generation service is currently experiencing technical difficulties.  Thank you for your patience.

Select Bibliography To View

  1. Reports of observations and experiments in the practical work of the Division
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Division of Entomology, 1884
  2. Bulletin
    Publication info: Washington, G.P.O, 1883-1904