UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 640 
Contribution from the Bureau of Entomology 
L. O. HOWARD, Chief 
Washington, D. C. 
April 8, 1918 
THE MEDITERRANEAN FRUIT FLY 
By 
E. A. BACK, Entomologist, and C. E. PEMBERTON, Assistant 
Entomologist, Mediterranean and Other 
Fruit Fly Investigations 
CONTENTS 
Distribution Throughout the World . . 
Establishment and Spread in Hawaii . , 
How the Fruit Fly got into Hawaii . . . 
Losses Incurred Through the Fruit Fly , 
What the Mediterranean Fruit Fly is Like 
Fruits, Nuts, and Vegetables Attacked , 
Host Fruits of Commercial Value . , <, 
Artificial Methods of Control not Satis- 
factory Under Hawaiian Conditions » 
Pago 
2 
3 
4 
5 
7 
11 
15 
24 
Page 
The Campaign Against the Fruit Fly in 
Hawaii . ...» ....•>; . 28 
Natural Control of the Fruit Fly . ... 37 
Quarantine Measures to Prevent Intro- 
duction . 41 
Summary 42 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1913 
