TACHINA. 67 



verse vein straight, parted from the border by more than its length, 

 and by near twice its length from the flexure of the prsebrachial. 

 Rare. (E.) 



109. bicolor, Meig. Zw. iv. 354. 199 (1824). Nigra, cano- 

 tomentosa, capite testaceo, antennarum articulo sexto ad apicem incras- 

 sato, scutelli apice humerisque testaceis, alis subcinereis, alulis albis, 

 abdomine lato obconico rufo-fulvo, pedibus fulvis, tarsis piceis. Long. 

 2 ; alar. 5 lin. 



Head with white tomentum ; frontalia red, broad, slightly widening 

 in front ; bristles of the front descending to one-sixth of the face ; face 

 vertical ; epistoma not prominent ; palpi testaceous. Antennae tawny, 

 nearly reaching the epistoma ; second joint not longer than deep ; third 

 linear, rounded at the tip, thrice longer than the second ; fourth very 

 short ; fifth long ; sixth stout along the whole length, a little longer than 

 the third. Costal vein ending at the tip of the wing ; subcostal vein 

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

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

 of the length ; cubital vein with spines towards the base, ending very 

 near the tip of the costal ; prabrachial vein forming a curve at the 

 flexure, hardly curved inward from thence to the tip ; discal transverse 

 vein almost straight, parted by nearly twice its length from the flexure 

 of the prsebrachial, and by much more than its length from the border. 

 Abdomen broad, obconical, reddish-tawny. 



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



110. perpingens, n. Nigra, thorace cinereo-tomentoso, capite 

 albido, antennis articuli sexti plus dimidio incrassato, alis subcinereis, 

 alulis albidis, abdomine ovato marginibus anticis interrupte albidis. 

 Long. 1^; alar. 3 lin. 



Bristles of the front descending to one-third of the face ; frontalia 

 piceous-black ; epistoma not prominent. Antennae reaching the epi- 

 stoma ; third joint linear, rather broad, rounded at the tip, nearly twice 

 the length of the second ; sixth stout for more than half the length, 

 much longer than the third. Costal vein ending at the tip of the wing ; 

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

 astinal vein ending at a little before half the length ; radial vein ending 

 at about five-sixths of the length ; cubital vein joining the costal very 

 near its tip ; prsebrachial vein forming a very obtuse angle at its flex- 

 ure, hardly curved inward towards its tip ; discal transverse vein almost 

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

 nearly twice its length from the flexure of the praBbrachial. 



Rare. (E.) 



111. separata, n. Nigra, cano-tomentosa, capite albo, antennarum 

 articulo sexto fere ad dimidium incrassato, thorace nigro-trivittato, alis 

 subcinereis basi testaceis, alulis albis, abdomine brevi-elliptico, vitta 



