38 EDWARD NORTON. 



Four submarginal cells. 



Auteniipe 9-articulate; second submarginal with two reourront iiorvuros. 



1. Lanceolate cell closed 44, U. Dineura. 



2. " " contracted V. Hemichroa. 



3. Second recurrent nervure received at inter- 



section of second and third submarginals. W. Mesoneura. 

 .3. Second and third submarginals each with a recurrent mrviire. 



Antenna; 11 — 15-articulate 40, Heterarthrus. 



" 9—11 



I. Abdomen short, egg-shaped. 



Antennse 10 or ll-articulate 47,, Athalia. 



" 9 " short; wings broad in 



crassate 45, Sciapteryx. 



" 9 " wings as usual 48, Selandria. 



II. Abdomen lengthened. Antennse 9-artieulate. 

 Coxae lengthened, large. 



1. Antennse filiform, enlarged in middle 4fi, Waldheimia. 



2. Antennse filiform, enlarged in middle 51), 1. Macrophya. 



.3. Antennse setaceous, long 2. Pachyprotasis. 



Coxse as usual. 



1. Antennse short, thickened towards the aj^ex 49, AllantUS. 



2, Antennse setaceous, long. 



Lanceolate cell with oblique cross nervure. 



Head not unusually extended back of eyes 51 , Taxonus. 



Head extended back of eyes 52, Strongylogaster. 



Under wings with one middle cell 5;!, Foecilostoma. 



Under wings with the outer cells complete 54, Perineura. 

 Lanceolate cell with straight cross nervure. 55, Tenthredo. 

 Lanceolate cell closed in middle (Synairema. i 



Subfamily 4, LYDIDES. — Antennse multi-articulate. 

 H. Wings with one viarfiinal cell. 

 Three subtnarginal cells. 



Antennse of males pectinate 57, Pterygophorus. 



Four submarginal cells. 



Antennse of males bi-pectinate 50, Lophyrus. 



Antennse of males pectinate Monoctenus. 



Antennte of males somewhat fissate 58, Tarpa. 



Antennae setaceous, long 59, Lyda. 



Subfamily 5. CEPIIIDES. — Antennre multi-articulate, neck elongate. 

 I. Wings loiih tivo marginal and four submarginal cells. 



1. Antennse subelavate, about 21-articulate ; abdomen 



compressed 60, Cephas. 



2. .Viitennse subelavate, about 27-articulate ; abdomen 



compressed 02, Phylloecus. 



3. Antennse filiform, abdomen sliort, cylindrical and 



subelavate 61, Janus. 



Subfamily 6. XYELIDES. — Antennse 13-articulate, third very l<ing; ovipositor 



nearly as long as abdomen. 

 J. Wings with three murginal and four submarginal cells 63, Xyela. 



