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THE HABITS OF THE GLASSHOUSE TOMATO MOTH, 

 H ADEN A {POLIA) OLERACEA, AND ITS CONTROL. 



By Ll. LLOYD, D.Sc. 

 (Entomologist at the Experimental and Research Station, Cheshunt.) 



(With 3 Plates and 4 diagrams.) 

 CONTENTS. 



1. INTRODUCTION. 



Ha den A oleracea appears to have been first noticed as a pest of 

 tomatoes grown under glass about 30 years ago at Enfield Highway. 

 Since that time it has spread throughout the whole of the Lea Valley, 

 the most important of the tomato-growing centres in England. In recent 

 years it has become very serious at Worthing and at Harpenden, and 

 it has also been noticed in Denmark, where it has not yet become a 

 serious pest. 



The destruction of the foliage by the larvae is considered to be of 

 less importance than their habit of feeding on the fruits, and biting into 



