LIST OF DIPTERA. 19 



14. Cyphomyia ornata. 



Purpurea -cyanea ; caput flavum ; antenna fulvce ; pedes picei ; ala 

 cinerece, ad costam fuscce. 



Cyphomyia ornata, Walk. Zool. viii. Append, xcvi. 

 a. Para. From Mr. Bates' collection. 



15. Cyphomyia cyanea. 



Chalybea ; antennce nigrce ; scutellum bispinosum ; alee fuscce, 



Stratiomys cyanea, Fabr. 

 Cayenne. Colombia. 



Genus 7. HEEMETIA. 



Antennae 1 0-articulatae, simplices, non stylatae ; articulus 3us 

 simplex. Frons non concava. Thorax capitis latitudine. Scutel- 

 lum muticum. 



Musca, p., Linn. 



Nemotelus, p., Deg. 



Bibio, p., Fabr. 



Syrphus, p., Fabr. 



Mydas, p., Fabr. 



Xylophagus, p., Lam. 



Hermetia, Latr. Diet, a" Hist. xxiv. 192 ; Fabr. ; Wied. ; Macq. 



Mediastinal vein ending at about one-third of the length of the 

 wing. Subcostal ending at before half the length. Radial ending 

 at rather beyond half the length. First branch of the cubital end- 

 ing at beyond half the length between the radial and the second 

 branch which ends at some distance in front of the tip of the wing. 

 Four slightly curved nearly complete externo-medial veins. Sub- 

 anal united to the anal at some little distance from the border. 

 Discal veinlets forming two sides of the oblong hexagonal discal 

 areolet ; median veinlet distinct. Humeral, subcostal, mediastinal, 

 radial, first cubital, second cubital, praebrachial, pobrachial, anal, 

 axillary, subapical, and discal areolets complete, as are also the 

 axillary and the subaxillary lobes. Subapical areolet occupying the 

 tip of the wing ; four externo-medial areolets nearly complete. 



