CONTENTS 



Preface 5 



Collecting insects 7 



Collecting bottle 7 



Insect net 8 



Collecting box , 9 



Folded papers for butterflies 9 



Vials and small boxes 9 



Capturing insects _ 9 



Collecting at lights and sugaring 12 



Immature forms „ 13 



Preserving insects 14 



Insect pins 14 



Pinning block 14 



Rules for pinning 15 



Spreading apparatus 15 



Directions for spreading 16 



Relaxing insects 17 



Denton's tablets 17 



Treatment of small insects 17 



Inflating larvae 18 



Alcoholic material 19 



Vials and their care 19 



Labeling insects 20 



Insect cases - 21 



Museum pests 23 



Convenient accessories 23 



Shipping insects 24 



Dealers in entomologic supplies 25 



Distribution of insects 25 



Importance 25 



Life zones - 26 



Imported insect pests 27 



Manner of spread - 28 



Practical application 29 



Index 31 



