CONTENTS 



Page. 

 Introduction 5 



The San Jose Scale on Dried Fruit L. 0. Howard.. 7 



A New Coccid on Birch (illustrated). Henry G. Hubbard and Theo. Pergande.. 13 



The Peach Lecanium {Lecanium nigrofasciatum n. sp.) (illustrated) 



; - - Theo. Pergande. . 26 



The Work Against Icerya Purchasi in Portugal, with an Account of 



the Introduction of Novius cardinalis L. 0. Howard.. 30 



Twig Pruners and Allied Species (illustrated) F. H . Chittenden . . 35 



A Destructive Borer Enemy of Birch Trees (illustrated) . .F. H.Chittenden. . 44 



A New Nomenclature of the Broods of the Periodical Cicada 



C. L. Marlatt.. 52 



A Consideration of the Validity of the Old Records Bearing on the 

 Distribution of the Broods of the Periodical Cicada, with Partic- 

 ular Reference to the Occurrence of Broods VI and XXIII in 1898 



C.L. Marlatt . . 59 



Some Observations on the Cycle of the Sexual Development of the 



"Blood Louse" (Schizoneura lanigera Hausni.) S. MoTcrzJietski.. 78 



A Cecidomyiid Injurious. to Seeds of Sorghum D. TV. CoquiUett.. 81 



A Leaf-tyer of Grape and Elderberry F. H. Chittenden.. 82 



A Flea-beetle Living on Purslane F. H. Chittenden . . 83 



Cotton Field Insects 85 



General Notes 89 



The Introduction of Beneficial Ladybirds from Australia into India (p. 89) ; 

 The Sugar-cane Borers of the Mascarene Islands (p. 90) ; Notes on Ticks 

 (p. 90) ; An Invasion of the Larger Digger Wasp (p. 92) ; Recent Injury 

 by the Sugar-cane Beetle and related species (p. 92) ; A New Enemy of 

 the Grapevine in Mexico (p. 93) ; Westward Spread of the Common 

 Asparagus Beetle (p. 93) ; Biologic Note on Conotrachelus elegans Say (p. 

 94); A New Sugar-beet Beetle (p. 95) ; A Leaf-beetle Injurious to Culti- 

 vated Sunflower (p. 96); Recent Injury by Bark-beetles: a correction 

 (p. 96); An interesting case of Myiasis (p. 97); The European Bat Bug 

 in America (p. 97); A Radical Novelty in Chinch Bug Work (p. 97); 

 Poisoned Potato Slices for Oniscus (p. 98). 



Notes from Correspondence r 99 



For House Ants (p. 99) ; Injury by the Orange Leaf-roller (p. 99) ; Injury 

 by the Caterpillars of Scepsis fulvicollis Hbn. (p. 99) ; Poisoning for the 

 Cotton Caterpillar (p. 99) ; Insect injury to Pecan buds (p. 99) ; A late 

 Outbreak of the Army Worm (p. 99) ; Extraordinary abundance of Io 

 caterpillars (p. 99); Another very Beneficial Lady-bird (p. 99); Leaf- 

 beetle Injury to Coffee Trees in Guatemala (p. 100) ; The Giant Twig 

 Girdler (p. 100) ; Recent Injury by Blister Beetles of the Genus Pompho- 

 pcea (p. 100); Swarming of Western Willow Flea-beetle (p. 100); New 

 food plants of the Oil Beetle, Meloe angusticollis (p. 100) ; The Flat- 

 headed Apple-tree Borer Damaging Quilts (p. 100) ; Cosmopepla carnifex 

 attacking Mustard (p. 100) ; The Big Bed-bug of the Far West (p 101); 

 Nysius californicus injurious to lettuce (p. 101); Leaf-hopper injury to 

 Potatoes (p. 101); The Hawthorn Tingis injuring Quince (p. 101); The 

 Wheat Thrips injuring Plums in Florida (p. 101) ; The so-called "Cotton 

 Flea" (p. 101). ' 3 



