North American Hi/meno^tcra. 233 



4. C. ducdUs. Second cubital cellule petiolated; 



abdomen falcate. 



Inhabits Indiana. 



Body black ; basal joint of the antennae beneath, and 

 mouth whitish ; thorax without obvious impressed lines : 

 wings hyaline ; nervures fuscous ; second cubital cellule 

 minute, petiolated : ahdomen arcuated, slender at base, 

 more dilated and compressed towards the tip, but not 

 truncate ; honey-yellow, dusky at base : oviduct more 

 than half the length of the abdomen, a litde recurved, 

 black: feet honey-yellow; anterior and intermediate 

 coxEe and trochanters whitish ; posterior feet rather more 



dusky. 



Length under three tenths of an inch. 



In the form of the abdomen and general appearance it 

 resembles Anomalon ejancidus, Nob. 



5. C. tenellus. Honey-yellow ; wings banded. 



h ■ 



Inhabits Pennsylvania. 



9 Antenna blackish towards the tip : wings hyaline ; 

 a fuliginous band before the middle, and a much dilated 

 or double one beyond the middle including the stigma ; 



nervures 



radial 



cellule wide ; second cubital somewhat rounded, the 

 exterior nervure wanting; apicial nervure obsolete: 

 metaihorax beneath the scutel and at the insertion of the 

 abdomen black : abdomen arcuated, blackish at tip : ovi- 



duct 



an 



Macl 



Tergu 



seg- 



ments with a transverse, slightly indented, obtuse line in 

 the middle : vejiter whitish, with black lateral spots. 



s 



VOL. I. PART III. 



