10 DEPARTMENT OF AGRICULTURE BULS. 1201-1225 



Department Bulletin No. 1225. — The Camphor Thrips: Pag« 



Introduction 1 



History and distribution 3 



Origin 4 



Comparison of bay thrips and camphor thrips 4 



Nature and extent of inju^ 5 



Description 6 



Life history and habits 8 



Seasonal history 18 



Host plants 18 



Natural enemies 21 



Control measures 21 



Summary 28 



Literature cited 29 



