E- 453 October 1938 
United States Department of Agriculture 
Bureau of Entomology and Plant Quarantine 
LONCHOCARPUS (BARBA.SC0, CUBE, AND TIMBO)-- 
A REVIEW OE RECENT LITERATURE 
By R. C. Roark, Division of Insecticide Investigations 
corara 
Page 
Introduction 2 
Common names 2 
References to the botany of 
Loncho carpus 
Cultivation of Lonchocarpus 16 
Pests attacking Lonchocarpus 
Use of Lonchocarpus as a. fish poison 23 
Pharmacology of Lonchocarpus , 25 
Chemistry of Lonchocarpus 26 
Assay of Lonchocarpus 30 
Use of Lonchocarpus as an insecticide 37 
List of insects mentioned 82 
Common and scientific names of insects 93 
Patents 95 
Proprietary insecticides made from Lonchocarpus 103 
Statistics and prices 105 
Laws relating to Lonchocarpus 113 
Reviews and miscellaneous information 116 
Acknowledgment 126 
Bibliography 127 
Index of j\inior authors 169 
Patent index 171 
Chronological index 172 
