130 PROCEEDINGS OF THE NATIONAL MU8BUM. vol.46. 



3. Costa with short black thoma; mesonotum with cue pair of dorso-central bristles. 



Paralevwpis, new genus. 

 Costa without such thorns; mesonotum with two pairs of dorso-central bristles. 



Leucopis Meigen. 



4. Head produced in front, the face receding almost horizontally (pi. 5, fig. 16). 



Acrometopia Schiner. 



Head only slightly produced in front, the face, if receding, only slightly so, not 



nearly horizontally 5. 



5. Mesopleura bare Ochthiphila Fallen. 



Mesopleura with 1-2 strong bristles 6. 



6. Mesonotum with only one pair of dorso-central bristles Cacoxenus Loew. 



Mesonotum with at least two pairs of dorso-centrals. (Head, pi. 6, fig. 23). 



Pseudodinia Coquillett. 



The genus Parodinia belongs to the Geomyzidse. 



SYNOPTIC TABLE OF GENERA IN MILIcmNiE. 



1. Wing with a distinct, wedge-shaped incision at that portion where the subcostal 



vein should join costa (pi. 4, fig. 1) 2. 



Wing without a deep incision at this part, costa sometimes interrupted 5. 



2. Hind margin of eyes vertical, without an incision at about their middle (pi. 5, 



fig. 14) - ; 3. 



Hind margin of eye with a more or less triangular incision at about the middle 

 (pi. 5, fig. 12) Milichiella Giglio Tos. 



3. Mesopleura bare Milichia Meigen. 



Mesoplem-a with 3-4 strong bristles 4. 



4. Proboscis long, geniculate (pi. 5, fig. 14) Pholeomyia Bilimek. 



Proboscis not long and geniculate Paramilichia new genus. 



5. Eyes long haired; frons, thorax, including pleurae, and abdomen long haired, the 



normal bristles almost indistinguishable from the hairs. . . Arctobiella Coquillett. 



Eyes much shorter haired, or bare; the frontal and thoracic bristles distinguishable 



from the much shorter setulse 6. 



6. Fourth vein upwardly directed, at its apex very close to third; proboscis very long 



and slender, geniculate (pi. 5, fig. 20; pi. 4, fig. 6) Eusiphona Coquillett. 



Fourth vein only slightly or not at all approaching third; proboscis, if geniculated, 

 not conspicuously long and thin 7. 



7. Outer cross vein absent (pi. 4, fig. 7) Paramyia Williston. 



Outer cross vein present 8. 



8. Palpi exceptionally large, projecting much beyond mouth margin (pi. 5, figs. 17-19). 



Phyllomyza Fallen. 

 Palpi not projecting much beyond the mouth margin 9. 



9. Proboscis geniculate and elongated, but not very slender (pi. 5, fig. 9) 10. 



Proboscis not geniculate and elongated 14- 



10. Costa reaching to third vein (pi. 6, fig. 30) Aldrichiella Hendel. 



Costa reaching to fourth vein H- 



11. Mesopleura bare ^2. 



Mesopleura with 2-3 strong bristles 13. 



12. First costal division bristled; the entire body, including frons, not glossy; post- 



vertical bristles strong; the two upper orbital bristles directed outward, over 



the eye Desmovietopa Loew. 



First costal division bare; the entire body, including frons, polished; post- vertical 

 bristles short; upper orbital bristle backwardly directed, the one below it 

 directed forward Paramadiza, new name. 



