4 i musciDjE. 



with a spine by the tip of the subcostal, ending at some distance in 

 front of the tip of tlie wing ; subcostal vein ending at a little beyond 

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

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

 ending near the tip of the costal ; prajbrachial vein forming an obtuse 

 angle at the flexure, nearly straight from thence to its tip ; discal trans- 

 verse vein curved outward in the middle, parted by hardly less than 

 its length from the border, and by more than its length from the flex- 

 ure of the pra^brachial. Abdomen with a testaceous spot on each side 

 of the second segment ; tibia tawny. 



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



57. morosa? Meig. Zw. iv. 314. 129 (1824). Nigra, cano- 

 tomentosa, capite albo, antennaruiii articulo tertio secimdo duplo lon- 

 (jiore, sexto undo, thorace nigro-quadrivittato, alls cinereis, alulis albis, 

 abdomine ovato, vitta dorsali et segmentorum marginibus posticis 

 uigris. Long. 'i\; alar. 5 lin. 



Frontalia deep black, widening in front ; bristles of the front de- 

 scending to beyond one-third of the length of the face ; face vertical ; 

 facialia bristly for one-sixth of the length ; epistoma not prominent. 

 Antennae nearly reaching the epistoma ; second joint nearly twice 

 longer than deep ; tJiird linear, truncated, twice the tength. of the second ; 

 fourth indistinct ; fifth very short ; sixth hare, stout for one-third of 

 the length, very much longer than the third. Thorax with four very 

 slender black stripes. Wings grey ; costal vein ending at some little 

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

 fore one-third of the border ; mediastinal vein ending at before half of 

 the border ; radial vein ending at five-sixths of the border ; cubital 

 vein ending very near the tip of the costal ; pra^brachial vein forming 

 an obtuse angle at the flexure, hardly curved inward from thence to the 

 tip ; discal transverse vein with the hinder curve much louger than the 

 fore one, parted by its length from the flexure of the praebrachial, and 

 by a little less from the border. 



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



58. disjuncta, n. Nigra, cano-tomentosa, capite albo, antennarum 

 articulo tertio secimdo plus diqdo longiore, sexto nudo, thorace nigro- 

 quadrivittato, alis subcinereis basi subfuscis, vena transi':ersa discali 

 plus ejus loyujitudine ah margine reiiiota, alulis albis, abdomine elliptico 

 nigro nitente, segmentorum marginibus anticis interrupte canis. Long. 

 3i ; alar. 7 lin. 



Prontalia piccous, linear ; bristles of the front descending to half the 

 length of the face ; face vertical ; facialia bristly for one-sixth of the 

 length ; epistoma not prominent. Auteniue nearly reaching the epi- 

 stoma ; second joint almost twice longer than deep ; third linear, 

 rounded at the tip, more than twice the length of the second ; fourth 

 short ; (iflh moderately long ; sixth Ijare, stout for more than one-thiril 



