CONTENTS. 



Page. 

 On Some of the Aphides Affecting Gkains and Grasses of the United 



States (illustrated) Tltm. Pergande. . 5 



The European Grain Louse {Siphocoriine avemc Fab. ) 5 



The English Grain Louse {Mdcroslphwn granar'm Buckton) 13 



The German ( irain Louse ( Mncroslphum cerealis Kalt. ) 18 



The Clover Plant-Louse {Marrosiphum trifolii n. sp. ) 21 



The Chestnut Weevils, with Notes on Other Nut-Feeding Species (il'us- 



trated) F. II. ChiUcivkn. . 24 



Introductory 24 



The Chinquapin Weevil {Balaninus prohoscideus Fab. ) 27 



The Chestnut Weevil ( Balaninus rectua Say) 28 



Food Habits of Species of Nut Weevils .30 



The Hickory-nut Weevil 32 



Methods of control 33 



The Acorn Moth {Holcocera glandulella Riley) 38 



The Cowpea-Pod Weevil (illustrated) /''. //. Cliittetidcii.. 39 



Additional Observations on the Tobacco Stalk Weevil 44 



Report of Investigations and Experiments on Fuller's Rose Beetle in 



Southern California Fdk. Maskew. . 46 



Importations of Beneficial Insects into California C. L. Marlatt.. 50 



Insects In.iurious to Stock in the Vicinity of the Gulp Biologic Sta- 

 tion James S. Hine. . 57 



The New Distillate Spray in California C. L. Mnrlatt.. 60 



« Three British Fruit-tree Pests Liable to be Introduced with Imported 



Nursery Stock Fred. V. Theobald. . 62 



The Cherry Fruit-fly {Rhagoleiis cingidata Loew) (illustrated). 



F. II. Chittenden.. 70 

 On the Origin op the Natural Coloration op Silks of Lepidoptera. 



G. Leverat and A. Conte.. 75 

 Some Preliminary Notes on the Clover-seed Chalcis Fly {Bruchophagus 



funehris How. ) ( illustrated ) E. S. G. Titus. . 77 



Life History of the Salt-marsii Caterpillar {Estigmene acrsca Dru. ) at 



Victoria, Tex. (illustrated) W. E. Hinds. . 80 



General Notes 84 



Some Injurious Garden and Field Insects in Tropical America (p. 84); 

 Aquatic Bugs of Commercial Value as Food (p. 86); Injury I)y a Cricket 

 in the South (p. 88); Identity of a Tingitid found on Chrysanthemum 

 (p. 89); Carbon Bisulphid for Red Ants and White Grubs (p. 90); 

 Agonoderus paUipes a Permanent Enemy of Sprouting Corn (p. 90); 

 Abundance of the Rhinoceros Beetle in South Carolina (p. 91); 

 Length of the Fiber in the Cocoon of the Domestic Silkworm (p. 91) ; 

 The Quail as a Destroyer of Cutworms (p. 92); Hair-worms in Cabbage 

 (p. 93); Observations on the Habits of the Morning-Glory Leaf-cutter 

 {Loxostege obliteralis Walk.) (p. 95) ; New Habits of the Cucumber Flea- 

 beetle {Epitrix cucumeris Harr. ) (p. 96) ; On Remedies for Garden Snails 

 • (p. 96). 



« Presented by title before the St. Louis Meeting of the Association of Economic 

 Entomologists, Dec. 30 and 31, 1903. o 



