U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF ENTOMOLOGY. 



PERIODICAL BULLETIN. Issued November, 1892. 



Vol. V. 



No. 3. 



INSECT LIFE. 



DEVOTED TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 

 ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE. 



KDITKD BY 



C. V. RILEY, Entomologist, 



L. O. HOWARD, First Assistant, 



WITH THE ASSISTANCK OF OTHER MEMBERS OF THE DIVISIONAL FORCE. 



(PUBLISHED HY AUTHORITY OF THE SECRETARY OF AGRICULTURE.! 



T^^ASHIKGTON: 



GOVERNMENT PRINTING OFFICE. 

 1892. 



