COENOMYIA PALLIDA, 



SPECIFIC CHARACTER. 



Wings and abdomen yellowish-testaceous; 

 thorax ferruginous. 



SYNONYM. 



CoENOMYiA Pallida. Nobis. In Long's Second 

 Expedition. 



DESCRIPTION. 



Head yellowish-testaceous; orbits beneath and 

 behind, dark cinereous; vertex with an elevated, 

 obtuse, dusky line between the stemmata: thorax 

 ferruginous; anterior angles a little prominent, 

 rounded and concave behind, with an elevated 

 line reaching to the origin of the wings: scutel 

 colour of the thorax: ivings pale yellowish- 

 brown, with margined nervures : poisers whitish : 

 feet somewhat paler than the thorax: iergum 

 polished ; posterior segments somewhat sericeous : 



PLATE XX. 



