VIII MISCELLANEOUS RESULTS OF WORK OF BUREAU IX. 



Page. 



The greenhouse thrips (Heliothrips hsemorrhoidalis Bouch6) H. M. Russell. . 43 



History 43 



Recent records 44 



Nature and extent of injuries 44 



Origin and distribution 45 



Description 46 



Habits of the adult 48 



Habits of the larvae 49 



Habits of the prepupa and pupa 50 



Food plants 51 



Life history 51 



Natural control 52 



Artificial control 52 



Bibliography 58 



New breeding records of the coffee-bean weevil {Arxceras fasciculatus De Geer), 



E. S. Tucker. . 61 



Nature of injury to corn 61 



Notes on life history in corn 63 



Occurrence in chinaberries, parasites 63 



Habits in general 64 



The woolly white-fly: A new enemy of the Florida orange {Aleyrodcs howardi 



Quaintance) E. A. Back . . 65 



Injury and extent of infestation 65 



Life history 66 



Description .'. 68 



Food plants 70 



Distribution 70 



Natural enemies 70 



Remedies 71 



Notes on a Colorado ant (Formica cinereorufibarhis Forel) H. 0. Marsh. . 73 



Injurious habits 73 



Experiments with potassium cyanid as a remedy 74 



The pecan cigar case-bearer ( Co^eop/iora canjxfoliella Clem.) . . . . II. M. Russell. . 79 



Early history 79 



Recent records 80 



Distribution 80 



Food plants 81 



Character of injury 81 



Description 82 



Habits of the adult 83 



Habits of the larva 84 



Habits of the pupating larva 85 



Seasonal history 85 



Recommendations 86 



Bibliography 86 



Index 87 



