FAMILY STRATIOMYID-E— THE SOLDIER FLIES 141 



24. Antennae short, with a sub-terminal arista (37, 81) Oxycera Meigen 



Antennae more or less elongate 25 



25. Antennae insei-ted near the middle of the head 27 



Antennae inserted close to the oral margin 26 



26. Eyes bare (22, 68) Euryneura Schiner 



Eyes pilose (30) Euclitellaria Kertesz 



27. Antennal style not diflferentiated 28 



Antennal style distinctly difrerentiated 30 



28. Antennje with eight distinct segments 29 



Antennae with three segments, the third annulate (28). 



Scoliopelta Williston 



29. Second antennal segment twice as long as the first Claris Kertesz 



Second antennal segment not longer than the first (20, 21, 90). 



Euparyphus Gerstaeckef 



30. Eyes bare (Clitellaria auct) Adoxomyia Kertesz 



Eyes pilose 31 



31. Third vein branched (14, 6.")) Euclitellaria Kertesz 



Third vein simple (25) Aochletus Osten Sacken 



32. Face conically produced 33 



Face not conically produced 34 



33. Males holoptic (24, 64) Nemotelus Geoffroy 



Males dichoptic Akronia Hine 



34. Antennal style almost as long as the third antennal segment, quite flat 



and shining; the thin sides densely fringed M-ith long pubescence 



(9, 10, 46) Hermetia Latreille 



Antennal style different in structure or the antennae with an arista. . . .35 



35. Eyes pilose on practically the whole surface 30 



Eyes bare, or very thinly pubescent on the upper half only 38 



36. Antennae with a bristle-like style (23) PelagomyJa Williston 



Antennal style not well differentiated 37 



37. Face produced Lasiopa Brulle 



Face receding (50, 66) Neurota Curran 



38. Arista apical and densely plumose on basal half or more (43, 81). 



Cacosis Walker 

 Arista apical but bare (34, 91) *Chrysochlora Latreille 



39. Third antennal segment without an arista, the style absent or but 



poorly differentiated, rarely short and bristly 40 



Third antennal segment with an arista 51 



40. Third vein with an anterior branch 41 



Third vein without anterior branch 44 



41. Head strongly produced anteriorly and with a porrect spine or pro- 



tuberance below the antennae (35, 38, 83) tRhingiopsis Roder 



Head not produced, the face sometimes produced conically downward. . .42 



* Curran, 1929, Amer. Mus. Novitates No. 339. p. 2. 

 t Curran, 1932, Amer. Mus. Novitates No. 7>2&, p. 1. 



