PLATYCEPHALA. 223 



SUBFAMILY VII. OSCINIDES. 



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

 O&cwtda, Bigot. 



Alarum vena subcostalis et mediastinalis conjunct^ ; radialis db apice 



remota. Metatarsi postici graciles. 



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

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



The Oscinides comprise the following genera : 



f long 1. PLATYCEPHALA. 



'long ; second joint < 



(.short 2. CAMAROTA. 



{Hind femora thick ; hind tibiee curved . . 3. MEROMYZA. 

 f Cubital vein ending at the 

 Hind leg straight tip of the costal ... 4. CHLOROPS. 

 and slender . < 



I Prsebrachial 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, valde pro- 

 ducta. Facies perobliqua. Antenna porrectce ; articulus secundus 

 longus, oblique truncatus ; tertius elongato-conicus, secundo mx longior ; 

 quintus longus ; sextus pubescens, quinto triplo longior. Thorax 

 punctatus. Abdomen thorace paullo longius. Femora postica crassa ; 

 tibiae posticts 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, obliquely 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 ending 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 ; prsebrachial ending on the hind border at some little distance 

 from the tip ; prsebrachial ending before two-thirds 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 



