CONTENTS. 



Page. 

 The Two Most Abundant Pulvinarias on Maple (Pulvinaria innumerabilis 



Rathv. and Pulvinaria acericola W. & R.) (illustrated) L. 0. Howard.. 7 



The Insects to which the name "Kissing Bug" became applied during 



the Summer of 1899 (illustrated) L. 0. Howard.. 24 



An Investigation to determine whethe;: Melanoplus spretus breeds per- 

 manently in the Turtle Mountains in North Dakota.. W. I). Hunter.. 30 

 The Bronze Apple-tree Weevil (Magdalis cenescens Lee.) (illustrated). 



F. H. Chittenden.. 37 

 Two New Cecidomyians destructive to buds of Roses (illustrated). 



D. TV. Coquillelt.. 44 

 A New Violet Pest (Diplosis violieola n. sp.) (illustrated) ..D. W. Coquillelt.. 48 

 Insects and the Weather: Observations during the Season of 1899. 



F. H. Chittenden.. 51 

 Food Plants and Injury of North American Species of Agrilus. 



F. H. Chittenden.. 64 

 Experiments with Hydrocyanic Acid-Gas as a means of exterminating 



Mealy Bugs and other Insects in Greenhouses H. D. Hemenway.. 69 



Scale Insects on American Fruit Imported into Germany. 



Abstract of a paper by Dr. L. Eeh.. 79 



Insect Control in Riverside, California Felix C Havens.. 83 



Notes on a Brief Trip to Puerto Rico in January and February, 



1899 A. Busck.. 88 



General Notes 93 



A Dipterous Euemy of Cucurbits in the Hawaiian Islands (p. 93) ; A trouble- 

 some Twig Girdler of the Southwest (p. 94) ; Notes on Cockroaches 

 in South Australia (p. 95) ; Insectivorous Habits of Lizards (p. 96) ; On 

 the Recent Spread of the Mediterranean Flour Moth (p. 97) ; Note on Two 

 Species of " Lightning Hoppers" (p. 98) ; Cotton Insects in Egypt (p. 99) ; 

 A Cotton Stainer in Peru (p. 100); Biologic Observations on Harpalus 

 pennsylvanicus DeG. (p. 100) ; A New Western Enemy of the Colorado 

 Potato Beetle (p. 102) ; Notes on Miscellaneous Insects in Kansas (p. 103) ; 

 An Embarrassing Feature of Foreign Interdiction against American 

 Plants and Fruits (p. 103) ; The Green June Beetle of the Southwest 

 (p. 104) ; A Note on the Cocklebur Bill-bug (p. 104) ; Reported Injury by 

 Giant Scarabseid Beetles (p. 105) ; Locusts in Argentina and Lourenco 

 Marquez, Southeastern Africa (p. 105) ; A New Clothes Moth Remedy 

 (p. 106); Nocturnal Flight of Grasshoppers (p. 106.) 



N >tes from Correspondence 107 



Habits of Atta insularis Guerin in Cuba (p. 107); A New Name for an Old 

 Insect (p. 107) ; Injury by Wingless May Beetles in Texas (p. 107); The 

 New York Weevil in Virginia (p. 107) ; Appearance of the Twelve-spotted 

 Asparagus Beetle near New York City (p. 107); Recent Injury by the 

 Margined Vine chafer (p. 108); Food Plants of the Blister Beetle Henous 

 confertus (p. 108); The Original Home and a New Food Plant of the 

 Harlequin Cabbage Bug (p. 108); Injury to Strawberries by My odocha 

 serripes (p. 108) ; Hibernation of the Electric-light Bug (p. 108) ; The Pray- 

 ing Mantis as an Enemy to the Apiary (p. 108) ; Mayflies on Lake Erie 

 (p. 108) ; A Plant-bug Enemy of the Green Plant-bug (p. 109). 



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