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Page; 



The asparagus miner {Agromyza simplex I.oew) F. H. Chittenden. . 1 



Descriptive 1 



Distribution 2' 



Historical and biological notes 2 



Recent injury 3- 



Remedial measures 4 



Notes on the asparagus beetles F. H. Chittenden. . 6- 



The common asparagus beetle ( Crioceris asparagi L.) 6' 



The twelve-spotted asparagus beetle {Crioceris 12-punclata L.) 9 



The water-cress sowbug ( if awcaseZZus 6rac%Mrws Harger) . . . .F. H. Chittenden. . 11 



Descriptive II 



Reports of injurious occurrence 12 



Methods of control 12 



The water-cress leaf-beetle {Phsedon seruginosa Suffr.) F. H. Chittenden. . 16 



Injurious occurrence 16 



Descriptive 16 



Literature 18 



Habits of this and a related species 18 



Methods of control 1& 



The cranberry spanworm (Cleora pampinaria Guen.) F. H. Chittenden. . 21 



Descriptive 21 



Distribution 23 



Biologic literature 24 



Unpublished office notes 25 



List of food plants 2& 



The insect's life history 26 



Natural enemies 26 



Remedies 26 



Bibliography 27 



The striped garden caterpillar {Mamestra legitima Grote) F. H. Chittenden. . 28 



Descriptive 28 



Biologic notes 29' 



Natural enemies 31 



Summary of habits 32' 



Methods of control ; 32: 



The leafhoppers of the sugar beet and their relation to the "curly-leaf" condi- 

 tion E. D. Ball. . 33 



Introduction 33 



The beet leafliopper {Eutettix tenella Baker) 35 



Descriptive 35 



Food plants 35 



Distribution 36 



Life history studies 36 



Economic relations 41 



Economic summary and proposed remedies 47 



Bibliographical references 48 



a The seven papers constituting this bulletin were i.sfued in separate form on March 

 16, April 23, and August 31, 1907, and on January 27, January 28, May 8, and July 19» 

 1909, respectively. 



27518— Bull. 66—10 2 vn 



