Agricultural news . iiia Mahagoni) were attackedby a small caterpillar boring in the twigs. This was after-ward identified as (Hysipyla grandella, Zell.) The insectattacks the Honduras mahogany {S. macrophylla), and theCedar {Cedrella odorafa) more readily than the nativemahogany. The cutting off of infested twigs is the onlyremedial measure suggested. Mr. C. B. Williams, the Entomologist in charge ofFroghopper Investigations in Trinidad, visited St. Lucia forthe purpose of ascertaining if the sugar cane froghopperoccurred in that island, but though careful search was madein the sugar-growing
Agricultural news . iiia Mahagoni) were attackedby a small caterpillar boring in the twigs. This was after-ward identified as (Hysipyla grandella, Zell.) The insectattacks the Honduras mahogany {S. macrophylla), and theCedar {Cedrella odorafa) more readily than the nativemahogany. The cutting off of infested twigs is the onlyremedial measure suggested. Mr. C. B. Williams, the Entomologist in charge ofFroghopper Investigations in Trinidad, visited St. Lucia forthe purpose of ascertaining if the sugar cane froghopperoccurred in that island, but though careful search was madein the sugar-growing districts the pest was not found. During the year under I eview reports were received ofgrass-hoppers defoliating young orange trees. The grass-hoppers proved to be a species of Microcentrum. Theyfeed at night and hide by day. They are attacked in theearly morning by the black i ird (Qiasiv.,//s sp). On accountof the abundant rain at the time of the attacks spraying withlead arsenate proved to be of no avail. TIfE STAPLE TRADES OF THE by Arthur Percival Newton, , D. Litt., ct Toronto. /. M. Detif o^ Suns, Ltd., Price Is. Pp. 184. This comprises a of lectures delivered within theUniversity of London at the Lond n School of Economicsand Policic-i! Science in the Spring of 1917. The planned under the auspices of the Imperial Studies Com-mittee of the University and the Royal Colonial Institute, butfor the views in his lecture, each lecturer alone isresponsible, the task of the committee being solely to ensurethat each trade should be dealt with by someone who couldspeak with authority concerning it- The series comprises thefollowing lectures: Oils and Fats in the British Empire, bySir A. D Steel-Maitland, Bart., MP-, His Majestys Under-Secretary of State for the Colonies: The Sugar Supply of theEmpire, Its Production and Distribution, by C. SandbachParker, , ; The Cotton P>esonrces of the Brit
Size: 2363px × 1057px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidagricultural, bookyear1903
