ILLINOIS BIOLOGICAL MONOGRAPHS [6 



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Classification '. 48 



Analytical Table of Families 49 



Suborder Jugatae 60 



Micropterygoidea 60 



Hepialidae 60 



Micropterygidae 60 



Suborder Frenatae 61 



Microlepidoptera 61 



Aculeata 62 



Nepticulidae 64 



Prodoxidae 64 



Incurvariidae 65 



Tischeriidae 66 



Non-aculeata 62 



Tineoid series 66 



Tineoidea „ 66 



Acrolophidae 66 



Tineidae 67 



Bucculatrigidae 67 



Lyonetiidae 67 



Yponomeutoidea 68 



Helipdinidae 68 



Yponomeutidae 69 



Gracilariidae 70 



Tortricidae 71 



Thyrididae 74 



Aegeriidae „ 75 



Cossidae 77 



Psychidae 78 



Elachistidae 80 



Coleophoridae 80 



Gelechioidea 80 



Ethmiidae 81 



Stenomidae , 81 



Hemerophilidae 82 



Gelechiidae 83 



Oecophoridae 85 



Blastobasidae 86 



Cosmopterygidae 86 



Pyrali-zygaenoid series 86 



Pyralidoidea 86 



Pyralididae 87 



Orneodidae 94 



Pterophoridae 94 



