VIII SOME INSECTS INJURIOUS TO TRUCK CROPS. 
The leafhoppers of the sugar beet and their relation to the "curly-leaf" con- 
dition — Continued. Page. 
Other leafhoppers 49 
Eutettix strobi Fitch 49 
Eutettix scitula Ball 49 
Eutettix seminuda Say 50 
Eutettix clarivida Van Duzee 50 
Eutettix insana Ball, E. albida Ball, and E. pauperculata Ball 50 
Eutettix striata Ball 50 
Agallia sanguinolenta Prov 51 
Agallia cinerea Osborn and Ball 51 
Agallia bigelovix Baker 51 
Agallia quadri punctata Prov. and A. novella Say 51 
Empoasca sp 51 
Conclusions in regard to ' ' curly-leaf " 52 
The semitropical army worm (Prodenia eridania Cram.). 
F. H. Chittenden and H. M. Russell. . 53 
Introduction 53 
Descriptive 54 
Origin and distribution 57 
Literature and history 57 
' Recent injuries and biologic notes 58 
Early records 62 
Life-cycle periods and generations 62 
Natural enemies 63 
Methods of control 65 
Resume of experiments and conclusions 68 
Summary 69 
Bibliographical list 70 
The hop flea-beetle (Psylliodes punctulata Melsh.) F. H. Chittenden. . 71 
Introductory 71 
Descriptive 72 
Distribution 73 
Recent injuries 73 
Methods of attack, food habits, and generations 76 
Life history and habits 79 
Notes on other species 81 
Local conditions and natural influences 82 
Methods of control 83 
Arsenicals 83 
Contact sprays 85 
Bordeaux mixture 87 
Mechanical and cultural methods 87 
Literature 91 
Bibliography 91 
Summary 92 
Miscellaneous notes on truck crop insects F. II Chittenden. . 93 
Successful use of arsenate of lead against the asparagus beetle 93 
A note on the asparagus miner 94 
Injurious occurrence of the pea moth in the United States 95 
A new western root-maggot 95 
Notes on water-cress insects 96 
Index 99 
