1805.] 



225 



SECTION LIMNOBINA. 

 I. A single marginal cell. 



Antennae 14-jointed. 

 I. Limnobiaeformia. 



1. Geranomyia. 



2. Rhipidia. 



3. Dicranomyia. 



4. Diseobola. 



5. Limnobia. 



Antennfe 16-jointed, (or sometimes, 

 through the coalescence of the basal 

 joints of the flagellum, 15- or 12-jointed; 

 in such cases, the proboscis enormously 

 prolonged.) 



II. Anomala. 



a. Bhamphidiceformia. 



6. Rhamphidia. 



7. Elephantomyia. 



8. Toxorhina. 



b. Cylindrotomceformia. 



9. Cylindrotoma. 



10. Triogma. 



11. Phalacrocera. 



c. Anomala vera. 



12. Dicranoptycha. 



13. Antocha. 



14. Teucholabis. 



15. Plectromyia nov. gen. 



10. Elliptera Schiner (Euro- 

 pean genus, unknown 

 to me). 



II. Two marginal cells. 



No spurs at the tip of the tibiae. 

 III. Eriopterseformia. 

 17. Erioptera. 

 IS. Symplecta. 



19. Trimicra. 



20. Gnophomyia. 



21. Cryptolabis. 



22. Cladura. 



23. Gonomyia. 



Tibire with spurs at the tip. 



Auxiliary cross-vein posterior to the origin of the Auxiliary cross-vein an- 

 second vein. terior to the origin of the 



. ■ — , second vein. 



Artennoe 6- or VI. Pediciaeformia. 

 10-joi.nted. 30. Amalopis. 



Antennee 16-jointed. 

 IV. Limnophilaeformia. 



24. Epiphragma. 



25. Limuophila. 



26. Trichocera. 



V. Anisonieraeformia. 31. Pedicia. 



27. Anisomera. 32. Ula. 



28. Eriocera. 33. Dicranota. 



29. Penthoptera. 34. Astrolabis nov. gen. 



35. Rhaphidolabis nov. gen. 



36. Tricyphona (European 



genus, unknown to me). 



