320 CLASS VIII. 



Lauxawia LATK. 



Pachycerina MACQ., Lonchcea FALL., MEIG., Teremyia MACQ., 

 Pterodontia GEAY. 



Cdyphus DALM. Antennae of the length of the head. Scutel- 

 lum convex, entirely covering the abdomen. 



Notiphila FALL., MEIG. 



Ochthera LATH., Dryxo ROBIN., Dichceta MEIG., Hydrellia ROBIN., 

 Discocerina MACQ., Trimerina MACQ., Discomyza MEIG., Coenia 

 ROBIN. 



Piophila FALL., MEIG. 



Trichomyza MACQ., Ephydra FALL., MEIG., Anisophysa MACQ., 

 Ochthiphila FALL., Campichceta MACQ., Gitona MEIG., Drosophila 

 FALL., Stegana MEIG., Diastata MEIG., Leptopezina MACQ., Opomyza 

 FALL., MEIG., (Geomyza FALL.,) Graphomyzina MACQ. 



Sphcerocera LATR., JBorborus MEIG. 



Ceroptera MACQ., Crumomyia MACQ., Heteroptera MACQ., Limosina 

 MACQ., Apterina MACQ., (wings none). 



Sp. Borborus pedestris MEIG. Europ. zweifl. Ins. vi. PL 62, fig. 21, two lines 

 long, brilliant black, wingless ; this curious insect was discovered by 

 V. WINTHEM near Hamburg. 



Oscinis LATR., FABR., Chlorops MEIG. 



Diasema MACQ., Aulacigaster MACQ., Leptomyza MACQ., Leucopis 

 MEIG., MUichia MEIG., Gymnopa FALL., MEIG., Siphonella MACQ., 

 Homalura MEIG., Cnemacantha MEIG., Heteroneura FALL., MEIG., 

 Therina MEIG., Meromyza MEIG., Chlorops MEIG., MACQ., Oscinis 

 LATR., MACQ., Leiomyza MACQ., Agromyza FALL., MEIG., Phyllomyza 

 FALL., Asteia MEIG., Elachiptera MACQ., Myrmemorpha DUFOUR. 



2) Squamae of poisers small or moderate. Head sub-globose, 

 with eyes in males (sometimes in both sexes) approximate. (Abdo- 

 men quadriannulate). Seta of antennae inarticulate, often plumose 

 (Anthomyidce). 



Ccenosia MEIG. Eyes distant, especially in females. Abdomen 

 of male clavate at apex. Wings incumbent. 



