64 MUSCID^. 



its tip ; pr.iebrachial vein forming a very obtuse angle at its flexure, 

 straight from thence to its tip, which joins the cubital vein very near 

 the tip of the latter ; discal transverse vein with two very slight curves, 

 parted from the border by a little less than its length, and by more 

 than half its length from the flexure of the prsebrachial. 

 Rare. (E.) 



102. inanis, Fal. Msc. 21. 43 (1810); Meig. Nigra, cinereo- 

 tomentosa, capite albo, antennls basi rujis, thorace nigro-quadrivittato, 

 alis sublimpiclis, alulis albidis, abdomine subfusiformi fulvo, vitta nigri- 

 cante, pedibus fulvis, tarsis nigris. Long. 3 ; alar. 6 lin. 



Frontalia narrow, piceous, widening a little in front ; bristles of the 

 front descending to one-third of the face ; face vertical ; epistoma not 

 prominent ; proboscis rather long ; palpi long, tawny. Antenna; reach- 

 ing the epistoma ; Jiist and second joints pale red ; second much longer 

 than deep ; third a little deeper towards the tip, Avhich is rounded, 

 rather less than twice the length of the second ; fourth almost obsolete ; 

 fifth short ; sixth minutely pubescent, stout at the base, more than 

 twice the length of the thn'd. Costal vein ending at hardly in front of 

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

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

 vein ending at five-sixths of the length ; cubital vein ending near the 

 tip of the costal ; pra^brachial vein forming a very obtuse angle at the 

 flexure, straight from thence to near the tip, where it is slightly bent 

 inward ; discal transverse vein nearly straight, parted by much more 

 than its length from the flexure of the prsebrachial, and by much less 

 from the border. Abdomen subfusiform, tawny ^ with a blackish stripe, 

 which is widened towards the tip. 



Eare. In the late Mr. Stephens^s collection. (E.) 



103. computa. Nigra, cano-tomentosa, capite albo, palpis flavis, 

 antennis Intels, alis subcinereis, alulis albis, abdomine subfusiformi sub- 

 tesseUato. Long. 1^ ; alar. 3 lin. 



Frontalia deep black ; bristles of the front not descending along the 

 face ; epistoma not prominent. Antennae luteoiis, not reaching the epi- 

 stoma ; third joint straight above, convex beneath, about twice the 

 length of the second ; sixth black, stout at the base, more than twice 

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

 subcostal vein ending at about one-third of the length ; mediastinal 

 vein ending at before half of the length ; radial vein ending at about 

 five-sixths of the length ; cubital vein joining the costal at its tip ; 

 praebracliial vein curved at its flexure, joining the cubital at a short 

 distance from the tip of the latter; discal transverse vein nearly 

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

 more than its length from the flexure of the prsebrachial. 



Rare. (E.) 



104. torta, n. Nigra, cm\o-io\i\t\\io%w, palpis feirugineo-fasciatis. 



