TABLE OF CONTENTS 



I. Introduction 7 



II. Morphology 14 



in. Taxonomy 35 



Superfamily Tenthredinoidea 37 



Families of Tenthredinoidea 38 



Family Xyelidae 39 



Family Blasticotomidae 42 



Family Tenthredinidae 42 



Subfamilies of Tenthredinidae 4^ 



Subfamily Diprioninae 45 



Neodiprion Rohwer 46 



Species of Neodiprion 47 



Monoctenus Dahlbom 48 



Diprion Schrank 49 



Subfamily Emphytinae 49 



Genera of Emphytinae 50 



Subfamily Selandriinae 51 



Genera of Selandriinae 52 



Thrinax Konow 52 



Species of Thrinax 53 



Strongylogaster Dahlbom 53 



Species of Strongylogaster 53 



Selandria Leach 54 



Subfamily Dolerinae 54 



Dolerus Jurine 55 



Species of Dolerus 56 



Subfamily Phyllotominae 57 



Tribe Phyllotomini 57 



Genera of Phyllotomini 58 



Endelomyia Ashmead 58 



Caliroa Costa 58 



Species of Caliroa 59 



Tribe Phlebatrophini 59 



Phlebatrophia MacGillivray 60 



Subfamily Tenthredininae 60 



Genera of Tenthredininae '. . . 61 



Macrophya Dahlbom 62 



Species of Macrophya 63 



Subfamily Cimbicinae 64 



Genera of Cimbicinae 65 



Cimbex Olivier 65 



Trichiosoma Leach 65 



Abia Leach 65 



Species of Abia 66 



Subfamily Hoplocampinae 66 



Genera of Hoplocampinae 67 



Hemichroa Stephens 67 



Marlattia Ashmead 68 



Caulocampus Rohwer 68 



Subfamily Dineurinae 69 



Subfamily Cladiinae 70 



Genera of Cladiinae 71 



Trichiocampus Hartig 71 



Sf>ecies of Trichiocampus 72 



Priophorus Dahlbom 73 



Species of Priophorus 73 



Cladius Rossi 74 



Subfamily Nematinae 74 



Genera of Nematinae 75 



