TACHINA. 85 



Frontalia deep black ; front prominent ; bristles of the front de- 

 scending to nearly half the length of the face ; epistoma testaceous, not 

 prominent. Antennre reaching the epistoma ; third joint linear, slightly 

 rounded at the tip, rather more than four times the length of the second ; 

 fifth rather long ; sixth very minutely pubescent, much longer than the 

 third, stout for two-thirds of the length. Costal vein ending above the 

 tip of the wing ; subcostal vein rather more than one-third of the length ; 

 mediastinal vein more than half the length ; radial vein ending at much 

 beyond three-fourths of the length ; cubital vein joining the costal very 

 near its tip ; proebrachial vein forming an oI)tuse angle at its flexure, 

 between which and its tip it is slightly curved inward ; discal transverse 

 vein with two rather indistinct curves, parted from the border by very 

 much more than its length, and by nearly its length from the flexure 

 of the prsebrachial. 



Eare. (E.) 



150. nigrolineata, Steph. MSS. Nigra, cano-toraentosa, capite 

 albo, antemmrum ariicido sexto ad trie/item setoso, thorace uigro-quadri- 

 vittato, alis subcinereis, alulis albis, abdomine obconico, marginibus 

 posticis vittaque dorsali nigris. Long. 2|- ; alar. 5 lin. 



Prontalia piceous, linear ; bristles of the front descending to one- 

 third of the face ; face oblique ; epistoma not prominent. Antennse 

 reaching the epistoma ; second joint not longer than deep ; third linear, 

 truncated, more than four times the length of the second ; fourth almost 

 obsolete ; fifth rather short ; sixth bare, stout for fidl one-third of the 

 length, very much longer than the third. Costal vein ending at some 

 little distance in front of the tip of the wing ; subcostal vein ending at 

 a little beyond one-third of the length ; mediastinal vein ending at a 

 little beyond half the length ; radial vein ending at five-sixths of the 

 length ; cubital vein ending very near the costal ; proL'brachial vein 

 foi'raing an obtuse angle at the flexure, hardly curved inward from 

 thence to the tip ; discal transverse vein almost straight, parted by a 

 little more than its length from the flexure of the prsebrachial, and by 

 a little less from the border. 



Rare. In the late Mr. Stephens's collection. (E.) 



151. vulgaris, Fal. Msc. 30. 62 (1810); Meig. ; Zett. Nigra, 

 cano-tomentosa, capite albo, antennarum articulo sexto ad bis trientem 

 incrassato, thorace nigro-cjuadrivittato, scutello a])ice ferrugineo, alis 

 subcinereis, alulis albis, abdomine obconico subtcssellato. Long. Si ; 

 alar. 6 lin. 



Frontalia dark ferruginous ; bristles of the front descending to one- 

 third of the face ; epistoma not prominent. Antenntu nearly reaching 

 the epistoma ; third joint linear, rounded at the tip, full four times the 

 lengtli of the second ; sixth stout for two-thirds of the length, much 

 longer than the third. Costal vein ending at a short distance in front 

 of the tip of the wing ; subcostal vein ending at a little bevond one- 



