FAMILY STRATIOMYID-E — THE SOLDIER FLIES 143 



42. Eyes bare 43 



Eyes thickly pilose in the c*", pilose on lower half in ? (59, 76). 



Gyneuryparia Enderlein 



43. Antennae situated near the lowest level of the eyes (32). 



*Myxosargus Brauer 

 Antennae situated near the middle of the eyes in profile (17, 47). 



Cyphomyia Wiedemann 



44. Scutellum without spines 45 



Scutellum with spines 46 



45. Third antennal seg-ment with eight annuli (73, 80)..Chordonota Gerstsecker 

 Third antennal segment with five or six annuli (11, 12, 42). 



Odontomyia Meigen 



46. Costa not thickened distally 47 



Costa strongly thickened distally (26, 70) Analcocerus Loew 



47. Third antennal segment composed of seven or eight annuli 50 



Third segment composed of not more than six annuli 48 



48. Head very strongly produced forward, the face strongly receding (69, 85). 



Promeranisa Walker 

 Head rarely produced forward, if so the antennal prominence not con- 

 stricted 49 



49. First antennal segment three limes as long as the second (13, 74, 79). 



fStratiomys Geoffroy 

 First segment less than three times the length of the second (11, 12, 42). 



Odontomyia Meigen 



50. First antennal segment two or three times as long as the second. 



Campeprosopa Macciuart 

 First antennal segment but little longer than the second, the third ter- 

 minating in a bristle (40) Neorondania Osten Sacken 



51. Scutellum with spines 52 



Scutellum without spines 53 



52. Third vein not furcate (75) Nothomyia Loew 



Third vein furcate (31, 67) Raphiocera Macquart 



53. Space between the second vein and the costa chitinized, the costa ex- 



panded on the apical half (19, 71) Histiodroma Schiner 



Wing normal 54 



54. Arista terminal, thick and long pubescent on the basal fourth. 



Acrochaeta Wiedemann 

 Arista terminal or dorsal, normal in shape and practically bare 55 



55. Lower lobe of the siiuamje with a strap-like prolongation near the outer 



end 58 



Lower lobe of squamae transverse apically 56 



* Curran. 1929. Amcr. Mus. Novitates No. 37R. 



t In a forthcoming: contribution Mr. M. T. James will propose a new genus for S. constans, 

 viutabilis, etc. 



