UNITED STATES DEPARTMENT OF AGRICULTURE 



DEPARTMENT BULLETIN No. 1222 



Washington, D. C. T ' March 14, 1924 



GROWTH AND FEEDING OF HONEYBEE LARVAE 



By 



JAMES A. NELSON, formerly Expert in Apiculture 



ARNOLD P. STURTEVANT, Apicultural Assistant 



and 



BRUCE LINEBURG, formerly Assistant in Beekeeping 



Bureau of Entomology 



CONTENTS 



Page. 



Part I. The Rate of Growth of the Honeybee Larva (James A. Nelson and Arnold P. Sturtevant) . 1 



Introduction 1 



Methods, Lots 1 to 7 2 



Obervations, Lots 1 to 7 2 



Methods, Lot 8 8 



Observations, Lot 8 9 



Rate of Growth 13 



General Appearance of Larva) of Different Ages 16 



Summary and Conclusions 18 



Tables 1 to 4 20 



Literature Cited 24 



Part IL The Feeding of Honeybee Larvat (Bruce Linahurg) 25 



Introduction 25 



Methods 25 



Nurse Bees 28 



Summary 34 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1924 



