CONTENTS 



Introduction 7 



Comprehensive works most useful for the study of North American insects. . . 7 



Bibliography 9 



Systematic works on single orders of insects: 



Hymenoptera 10 



Diptera 27 



Siphonaptera 40 



Lepidoptera 40 



Coleoptera 51 



Strepsiptera 79 



Hemiptera 79 



Thysanoptera 90 



Anoplura 90 



Orthoptera 90 



Neuroptera ( including Pseudoneuroptera) 97 



Mallophaga 101 



Thysanura 102 



Myriapoda 103 



Arachnida 104 



Works on economic entomology 110 



Works on medical entomology 112 



The more important periodicals cited in this bulletin 113 



How to obtain entomological books and pamphlets 117 



5 



