CONTENTS 



Page 



INTRODUCTION, T. C. BYERLY 1 



SECTION I- -CHARACTER AND SOURCE OF LIGHT: 



The Nature of Light Sources and Types of Traps, T. E. HIENTON. 2 



Relation of Wavelength to Insect Response, JOE P. HOLLINGS- 



WORTH 9 



Relation of Light Intensity to Insect Response, J. G. HARTSOCK. . 2b 



SECTION II- -INSECTS AND THEIR RELATIONSHIP TO LIGHT: 



What Insects are Positively Photosensitive, P. W. OMAN 33 



How Insects are Photosensitive, R. J. BARKER 34 



Relation of Environment to Photosensitivity of Insects, W, C. 



COOK 36 



Relationship of Physiological Development and Condition of Insects 



to Photosensitivity, H. TASHIRO 38 



SECTION III- -ROLE OF LIGHT TRAPS IN MEETING INSECT PROB- 

 LEMS: 



Light Traps for Detection, PERRY A. GLICK 43 



Light Traps to Predict Need for Control, T. R. PFRIMMER 48 



The Use of Electric Light Traps as an Insect Control, HOWARD 



O. DEAY 50 



SUMMARY OF INFORMAL DISCUSSIONS 53 



BIBLIOGRAPHY OF INSECTS AND LIGHT 55 



