DIPTEEA. 331 



/. Colour metallic. 



g. PraBbrachial vein forming a right angle at its flexure Lucilia. 



hebes, felix. 

 g g. Prsebrachial vein fonning a hardly obtuse angle at its flexure. 



bicolor. 

 gg g. Praebrachial vein forming a slightly obtuse angle at its flexure. 



leucocephala, serenissiraa, insularis, temperata, proxima, bigemmis. 

 gg gg- Praebrachial vein forming an obtuse angle at its flexure. 

 h. Praebrachial vein not rounded at its flexute. 



varia. 

 h h. Praebrachial vein rounded at its flexure. 



connexa. 

 //. Colour not metallic. 

 g. Praebrachial vein forming a right angle at its flexure. 



placida. 

 gg. Praebrachial vein forming an obtuse angle at its flexure. 



interrupta, contigua, dubia. 

 g gg. Praebrachial vein forming a very obtuse angle at its flexure. 



costalis, deterrainata. 

 e e. PriEbrachial vein forming a gentle.curve at its flexure. 

 /. Colour metallic Pyrellia. 



chrysotelus, obscura, distincta, basalis, occidentis, extrema. 



//. Colour not metallic Graphomya. 



g. Third feeler-joint about thrice the length of the second. 



stipata. 

 g g. Third feeler-joint more than twice the length of the second. 



vicaria, serva. 



MUSCA CUPEEA. 



Amts-v-^V'- 



Purpureo-cuprea ; caput testaceum ; pectus cinerascens ; abdomen testa- 

 ceum ; antennce fulvcty articulo 3o supra piceo ; pedes ftilvi, tarsis 

 nigris ; alee suhcinerece. 



Fern. Purplish coppery : head testaceous ; frontalia tawny, linear ; cpi- 

 stoma prominent : mouth black, shining ; palpi tawny, long, slender : 

 feelers tawny ; third joint pitchy above, less than twice the length of the 

 second, not nearly reaching the epistoma ; sixth joint black, long, slender. 



