TACHINA. 79 



136. laeta, (Weid.), Meig. Zw. iv. 381. 245 (1824). Nigra, cer- 

 vino-tomentosa, capita flavo, facie alba, antennis ferrugineis, thorace 

 nigroquadrivittato, alis subcinereis, alulis albis, abdomine fulvo obco- 

 nico, vitta dorsali et segment! tertii margine postico nigris, pedibus 

 fulvis, tibiis basi tarsisque nigris. Long. 4^ ; alar. 9 lin. 



Frontalia black ; bristles of the front descending to one-fourth of the 

 face; face vertical; facialia bristly for three-fourths of the length; 

 epistoma not prominent; palpi testaceous. Antennae reaching the 

 epistoma; second joint not longer than deep; third linear, piceous 

 towards the tip, which is rounded, full eight times the length of the 

 second ; fourth extremely short ; fifth short ; sixth bare, stout for five- 

 sixths of the length, a little longer than the third ; wings pale brown at 

 the base and along the fore border. Costal vein ending at some dis- 

 tance in front of the tip of the wing ; subcostal vein ending at much 

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

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

 sixths of the length ; cubital vein ending near the costal ; praebrachial 

 vein forming an obtuse angle at the flexure, very slightly curved inward 

 from thence to the tip ; discal transverse vein with two very distinct 

 curves, parted by much less than its length from the flexure of the prae- 

 brachial, and by little more than half its length from the border. 



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



137. rejecta, n. Nigra, cano-subtomentosa, capite albo, thorace 

 nigro-vittato, alis subcinereis, vena prcebrachiali angulum rectum fin- 

 genie, alulis albis, abdomine longi-obconico, marginibus anticis albis. 

 Long. 2 ; alar. 5 lin. 



Frontalia dark ferruginous; bristles of the front descending along 

 half the face ; epistoma not prominent. Antennae reaching the epis- 

 toma ; third joint linear, rather broad, rounded at the tip, about four 

 times the length of the second ; fifth long ; sixth stout for more than 

 half 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 before one-third of the length ; mediastinal vein ending at much 

 before half the length ; radial vein ending at about three-fourths of the 

 length ; cubital vein joining the costal almost close to its tip ; prcebra- 

 chial vein forming a right angle at its flexure, near which it is much 

 curved inward, and is thence straight to its tip, which joins the cubital 

 at some distance from the tip of the latter ; discal transverse vein very 

 slightly curved inward in the middle ; parted from the border by very 

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

 flexure of the praebrachial. 



Rare. (E.) 



138. neglecta, n. Nigra, cano-tomentosa, capite albo, thorace 

 nigro-quadrivittato, alis subcinereis, vena prabrackiali angulum perobtu- 

 sum fingente, alulis albis, abdomine obconico tessellato. Long. 3; 

 alar. 7 lin. 



