20 CIRCULAR 3 3 4, U. S. DEPARTMENT OF AGRICULTURE 



raster 



Plectris. 

 aliena Chapin 



Figure 8. — Epipharynx and raster of Plectris aldena. 



U.S. GOVERNMENT PRINTING OFFICE:1934 



For sale by the Superintendent of Documents, Washington, D. C. Price 5 cents 



