| Washington, D. C. | April, 1926 
_ THE CATTLE GRUBS OR OX WARBLES, THEIR BIOLOGIES 
AND SUGGESTIONS FOR CONTROL 
———n 
By 
_ F.C. BISHOPP, Entomologist, E. W. LAAKE, Associate Entomologist, and H. M. BRUNDRETT 
Assistant Entomologist, and R. W. WELLS, Entomologist, Investigations of Insects 
Affecting the Health of Animals, Bureau of Entomology 
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CONTENTS 
History . A 
Life History in Brief “ 
Distribution . : 
Economic Importance . 
Injury to Man A ; 
Common Names and Podalat Ideas “ Pa eh ences 
Hosts . ji (, 
Actions of Cattle When ‘Attacked by Adult Hytodetan 
Description of Stages . ° 
How the Larvz of Hypoderma Hiniestiien Gain Faas ie the Host 
Development and Habits UL ReaD cihudoray Nari elrc 6 
- Seasonal History . 
Natural Control . 
Artificial Control. % 
Possibilities of Eradication By Systematic Domus of Grubs 
_ Legislation on Grub Control Sih ele felts 
Summary abies 
Literature Cited — - 
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WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1926 
