TACHINA. 81 



much longer than the third. Costal vein ending on the fore border at 

 a 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 before five-sixths 

 of the length ; cubital vein joining the costal near its tip ; prsebrachial 

 vein forming an obtuse angle at its flexure, between which and its tip 

 it is slightly curved inward ; discal transverse vein with two very indis- 

 tinct curves, parted from the border by much more than its length, and 

 by a little less than its length from the flexure of the praebrachial. 

 Eare. (E.) 



141. amabilis, Meig. Zw. iv. 374. 233 (1824). Nigra, cano-to- 

 mentosa, capitc albo, antennarum articulo sexto ad trientem incrassato, 

 thorace nigro-quadrivittato, alls subciuereis, alulis albidis, abdomine 

 longi-ovato tessellato. Long. 2|-; alar. 5 lin. 



Frontalia deep black, broad, linear ; bristles of the front descending 

 to three-fourths of the face ; face oblique ; epistoraa not prominent. 

 Antennae reaching the epistoma ; second joint not longer than deep ; 

 third linear, slightly truncated, six times the length of the second ; 

 fourth and fifth very short ; sixth bare, stout for one-third of the length, 

 longer than the third. Costal vein ending at far in fro)it of the tip of 

 the wing ; subcostal vein ending at beyond one-third of the length ; 

 mediastinal vein ending at half of the length ; radial vein ending at 

 four-fifths of the length ; cubital vein ending near the tip of the costal ; 

 preebrachial vein forming a hardly obtuse angle at the flexure, which 

 emits a long indistinct branch, curved inward near this ; discal trans- 

 verse vein with two indistinct curves, parted by its length from the 

 flexure of the prsebrachial, and by much more from the border. 



Rare. In Mr. Desvignes^s collection. (E.) 



142. campestris, Fal. Msc. 8. 12 (1810); Meig.; Mcq. ; Zett. 

 Nigra, cinereo-tomentosa, capite porrecto albo, facialibiis ad dimidiiim 

 setosis, alls subcincreis, alulis albidis, abdomine obcouico tessellato. 

 Long. 2|— 3 ; alar. 4|-5 lin. 



Frontalia striated ; bristles of the front descending to one-eighth of 

 the face ; face oblique ; facialia hristli/ for half the length ; epistoma 

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

 rounded at the tip, about sixth times the length of the second ; sixth 

 microscopically pubescent, stout for more than half the length from the 

 base, a little longer than the third. Costal vein ending at some 

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

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

 before half the length ; radial vein at about five-sixths of the length ; 

 cubital vein joining the costal very near its tip ; prajbrachial vein 

 forming a very slightly obtuse angle at its flexure, near which it is curved 

 inward, and is thence almost straight to its tip ; discal transverse vein 

 with two very slight curves, parted iVoui the border by very much 



VOL. II. M 



