41 



Apical cell ending at or close 1o the extreme wiiigtip — Continued. 



Abdomen bearing macroclni'tii'. ^ 



. — ^ 



Sides of face witli liairs or macrocha'ta' on tlie lower half: Myiophasia, 



Phyto, Mauromjiia, Cryplomeitjeitia, CeratoiinjicUd, Eidttn'xma, Admovtia. 

 Sides of face, on at least the lower half, bare. 



Proboscis shorter or only slightly longer than height of head. 

 Frontal Aatta opaque. 



Vibrissa' on a level with the front edge of the oral margin. 



Penultimate joint of arista at least twice as long as broad: 

 Medina, Schizotacli'uia, ClaiisicelJa, I'lectops, lAspidea, 

 Tliryptocera. 

 Penultimate joint of arista shorter or only slightly longer 

 thiin broad: Actia, Lasionenra, Cluviophleps, Celatoria, 

 Hypostena, Didyma, Macquartia, Hyahirgtis, I'olideii, Hypo- 

 cho'ta, Pelofachhia, lUicodineurn, J'Jrvia, Lefilcki, Leskiomima, 

 Apinops. 

 Vibrissa- distinctly above the front edge of the oral margin: 

 Leucostoma, Sciasma, Hyalomyodcs, (Kstrophasla, Clyiiomyia, 

 Eutrixa, Xanthomelana. 

 Frontal vitta highly polished: Hrmyda. 

 Proboscis at least one-third longer than height of head : Beskia, f/iofflossa, 

 Epigrlmyia, Siphoua . 

 Apical cell ending some distance in front of the extreme wingtip. 



Last section of the tiftli vein more than one-half as long as the preceding sec- 

 tion : Heteropterina, Plagipronplicrysa, Metaphifjia, ParapJagia, CyrtopJilaha, 

 Plag'ia, Siphoplagia. 

 Last section of the lifth vein less than oue-thiid as long as the preceding section. 

 Sides of face on the lower half bare. 



Vibrissas distinctly above the front edge of the oral margin. 

 Eyes bare. 



Penultimate joint of arista more than twice as long as T)road: 



IJlsiichoiHi, Clnttoglossa. 



l*enultimate joint of arista shorter or only slightly longer than 



broad: PavhyophihaJiniis, Scnotainia, Pseudolrartoceru, liiomyia, 



Atacta, Siphostiirmia, Belvosia, Mehinophrys, Aphria, Ocyptera. 



Eyes distinctly hairy : Liiimvmyia, Xcmorwa, Panzeria, Macromeigenia. 



Vibrissa' on a level with the front edge of the oral margin. 



Eyes ilistiuctly hairy : (iymnocha'ta, Melaphyto, Exorisfoidcs. Hyphan- 



trophaga, Exorisla, Enphorocera, Phorocera. 

 Eyes bare: Eroniina, Sturmia, Masicera, Avemyia, Psendocha'ta, Pros- 

 pherysa, Vandcrwidpia, Euthera, Houghia, Tachina, Tachhiopsis, 

 Demoticus, Paraphyto, Paracluvfa, Blepharipezd. 

 Sides efface wdth hairs or macrocba'tie on the lower half. 



Vibrissa* on a level with the anterior edge of the oral margin : Winthe- 

 mia, Muscoptcryx, Paradidyma, Atrophnpalpus. Metacluvta, Phoridnvia, 

 Chatoplag'm, Metopia, Aruha, Opsidia, HilareUa, Tricogena, Brachycoma, 

 Kulhyprosopa. 

 Vibrissa- distinctly above the front edge of the oral margin. 



Head at the vibrissa? much shorter than at base of antenna- : (Ionia, 



Spallaiizatda, (Urdiopsis, Chtvlogadia, Dichocvra, M'urophthaJma. 

 Head at the vibrissa- longer than at 1)aso of antenna- : Amobia, 

 Trichophora, Ciiphoccra, Peleteria, Arcliytas, Ediinomyia, Epalpus, 

 Bombyliomyia, Dcjeania, Parndejeania, Jurinea, JurineUa. 



