Author: RIEGERT, PAUL W.
Title: A History of Grasshopper Abundance Surveys and Forecasts of Outbreaks in Saskatchewan (Memoirs of the Entomological Society of Canada - No. 52)
Description: Ottawa: The Entomological Society Of Canada, 1968. First Edition; First Edition. Softcover. 99 pages. With maps. With library stamps & labels. Slight wear to spine, covers & corners Slight soiling to front cover. ; Ex-Library; Quarto. Good with no dust jacket .

Keywords: Crop Pests Grasses Grasshoppers Entomology Insects America Wildlife Canadian