• publisher: Jena, G. Fischer
  • creator: Wilhelmi, Julius Franz, 1880-1937. [from old catalog]
  • Keyword: Insects Injurious and beneficial. [from old catalog] Simuliidae. [from old catalog]
  • years: 1920.
  • pages: 246 p.
  • class: SF810.A3
  • download: pdf file