332 CLASS vin. 



Leptopeza MACQ. (spec, of Ocydromia MEIG.) 



On the synonomy of certain species comp. STAGER in KROYER'S Tids- 

 skrift, iv. pp. 93 102. 



(Edalea MEIG. 



Empis L. Proboscis exsert, perpendicular, or inflected under 

 the body. Last joint of antenna terminated by a seta or style.; 

 Head small, globose. 



a) With antennse Inarticulate (the two inferior being confluent). 

 Tacliydromici MEIG. (Sicus LATE.). Anterior thighs incrassate. 



Add sub-genera : Hemerodromia HOFFMANSEGG, Drapetis ME- 

 GERLE, Platypalpus MACQ. (spec, of Tachydromia MEIG.), Xiphi- 

 dicera MACQ., Ardoptera and Elaphropeza MACQ. (sp. of Hemero- 

 dromia). 



Cyrtoma MEIG. Is this its place ? 

 6) With antennae triarticulate. 



Empis MEIG. (Empis, Pachymerina MACQ.), Rhamphomyia MEIG., 

 Hilaria MEIG., Brachystoma MEIG., Gloma MEIG., Microphorus 

 MACQ. (Trichina MEIG.) 



Sp. Empis tessellata FABR., Empis opaca FABR., &c. 

 ft Wings divaricate. 



Cyrtus LATR. Proboscis inflected under the body. Antennae 

 approximate. Poisers small, covered by large squamae. Head 

 small, globose. Thorax v gibbous. Abdomen inflated, vesiculose. 

 Tarsi with three pulvilli. 



a) Proboscis short (sometimes not discernible in the dried insect). 



*) With antennae biarticulate, no style. 

 Pterodontia GRAY. 



* *) With antennae biarticulate, and terminal style. 



Henops ILLIG., FABR., Ogcodes (Oncodes) LATR., (Henops MEIG., 

 Acrocera MEIG.) 



Comp. ERICHSON Archivf. Naturgesch. 1846, p. 288. 



Sp. Henops yibbosous, Musca yibbosa, L., GUERIN Iconogr., Ins. PI. 94, 

 fig. 10. 



* * *) With antennae triarticulate, no style. 



Astomella DUFOUR, LATR., Ocnea ERICHS., Pialea ERICHS. 





