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 
The southern beet web worm (Pachyzancla bipunctalis Fab.) . .F. E. Chittenden. . 17 
Injurious occurrences and notes on habits 17 
Descriptive 19 
The moth 19 
The egg 20 
The larva 20 
The pupa. 20 
Distribution 21 
Historical and biological notes 21 
Natural enemies 21 
Associated insects 21 
Remedies 22 
Paris green 22 
• ' Dragging the log " 22 
The imported cabbage web worm (Hellula undalis Fab.)...i<\ H. Chittenden 
and H. 0. Marsh 23 
Introduction, spread, and ravages 23 
Description and life-history notes 27 
The moth 27 
The egg and oviposition 28 
The newly hatched larva 29 
The full-grown larva 29 ■ 
The pupa : 29 
Distribution 30 
Food plants 30 
Natural enemies 31 
The imported cabbage web worm in Hawaii 32 
Life history and habits 34 
Natural enemies in Hawaii 37 
Experiments with insecticides 38 
Experiment in screening a seed bed 41 
Conclusion 41 
Recommendations for control 42 
Bibliography 44 
in 
