PLATYCEPHALA. 223 



Subfamily VII. OSCINIDES. 



OsciNiDES, Hal. Oscinides p., Fal. ; Zett. Heteromyzides p., Mcq. 

 Osc'mid(e, Bigot. 



Alarum vence siibcostalis et mediastinalis conjunctce ; radialis ah apice 



remota. Metatarsi postici graciles. 



Subcostal and mediastinal veins united ; radial vein not extending be- 

 yond three-fourtlis of the length of the wing. Hind metatarsi slender. 



The Oscinides comprise the following genera : — 



rlong 1. I'latycephala. 



"long ; second joint < 



(short 2. Camarota. 



.2. ^ 





Hind femora thick ; hind tibiee ciu'ved . . 3. Meromyza. 



short : «J I^Cubital vein ending at the 



Hind leg straight [ tip of the costal ... 4. Chlokops. 

 and slender .-J 



Prcebrachial vein ending at 

 (_ the tip of the costal . 5. OsciNis. 



Genus I. PLATYCEPHALA. 



PLATYCEPHALA, Fal. Oscinid. (1820) ; Meig. ; Mcq. ; Curt. ; Westw. ; 

 Zett. Musca p., F. E. S. Oscinis p., F. S. A. 



Corpus mediocre. Caput supra depressum. Frons conica, valdc pro- 

 ducta. Facies perobliqua. Antennae porrectce ; articidus secnndus 

 longtts, oblique truncatus ; tertins elongato-conicns, secundo vix longior ; 

 quiutus longus ; sextus pubescens, quinto triple longior. Thorax 

 punctatus. Abdomen thorace pauUo longius. Femora piostica crassa ; 

 tibifB posticcE arcuatce. 



Body moderately long. Head flat above. Front conical, much pro- 

 duced. Face extremely oblique, almost horizontal. Proboscis and 

 palpi short. Antenna porrect ; second joint long, ohliqiiely truncated; 

 third elongate-conical, hardly longer than the second; fifth long; sixth 

 pubescent, rather stout, about thrice the length of the fifth. Thorax 

 thickly punctured. Wings of moderate size ; costal vein ending on 

 the fore border at a little distance in front of the tip of the wing; sub- 

 costal endiug at beyond one-third of the length ; radial ending at a 

 little beyond two-thirds of the length ; cubital ending at the tip of the 

 costal ; prpcbrachial ending on the hind border at some little distance 

 from the tip ; prasbrachial ending befoi-e two-tliirds of the length of the 

 hind border ; discal transverse straight, slightly oblique, parted by its 

 length from the prsebrachial transverse, and by near thrice its length 



