CONTENTS. 



Page. 



The Hawaiian beet web worm (Hymenia fascialis Cram.) H. 0. Marsh. . 1 



Introductory 1 



Food plants and injury 2 



Life history and habits 3 



Natural enemies 7 



Experiments with insecticides. 7 



Description of the earlier stages H. G. Dyar. . 11 



Appendix F. H. Chittenden. . 12 



Description and synonymy 12 



Distribution 14 



History 14 



Bibliography 15 



ILLUSTRATIONS. 



PLATE. 



Page. 

 Plate I. Fig. 1. — Geared traction sprayer, suitable for the treatment of sugar 



beets against the Hawaiian beet webworm 8 



Fig. 2. — Geared traction sprayer in operation in sugar-beet field 8 



TEXT FIGURES. 



Fig. 1. The Hawaiian beet webworm (Hymenia fascialis): Female moth 3 



2. The Hawaiian beet webworm: Egg, larva, pupa, details 4 



in 



