110 MUSCIM. 



and from the flexure of the prsebrachial by rather more or rather less 

 than half its length. Alulae white. Halteres tawny. Abdomen dark 

 blue. Legs black. 

 Common. (E. S. I.) 



9. nitens, Zett. D. S. iv. 1340. 12 (1845). t^7Zo, Meig. ; Mcq. 

 Nigra, capite fulvo-tomentoso, antennis basi rufescentibus, alis sub- 

 cinereis, abdomine nitente. Long. 3i ; alar. 7 lin. 



Black. Head with pale tawny tomentum ; facialia bristly for near 

 half the length ; epistoma not prominent. Antennae not near reaching 

 the epistoma ; first and second joints reddish ; third about twice the 

 length of the second; sixth plumose to two-thirds of the length. 

 Wings slightly grey ; 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 beyond five-sixths of the length ; praebrachial vein 

 forming a rounded and very slightly obtuse angle at the flexure, curved 

 inward near this, and straight thence to the tip ; discal transverse vein 

 with two very slight curves, parted by a little more than half its length 

 from the flexure of the praebrachial, and by rather less from the bor- 

 der. Alulae dingy white. Abdomen shining. Male. Eyes contiguous. 

 Fern. Eyes remote. 



Common. (E. S.) 



10. rudis, F. E. S. iv. 314. 9 (1792); Fal.; Meig.; Mcq.; Zett. 

 Nigra, capite fulvo-tomentoso, antennis basi rufescentibus, thorace fulvo- 

 hirto, alis subcinereis, abdomine cinereo-tessellato. Long. 3-4 ; alar. 

 6-8 lin. 



Black, with grey tomentum. Head with pale tawny tomentum ; 

 frontalia with hoary tomentum, reddish towards the antennae; face 

 hoary ; facialia reddish, bristly for one-third of the length ; epistoma 

 not prominent. Antennae not near reaching the epistoma; first and 

 second joints reddish ; third about twice the length of the second ; sixth 

 plumose for three-fourths of the length. Thorax clothed with tawny 

 hairs. Wings slightly grey ; subcostal vein ending at hardly beyond 

 one-third of the length of the wing ; mediastinal vein ending at hardly 

 beyond half the length ; radial vein ending at beyond five-sixths of the 

 length ; praebrachial vein forming a rounded and very slightly obtuse 

 angle at its flexure, slightly curved inward near this, and thence almost 

 straight to the tip ; discal transverse vein with two distinct curves, 

 parted by full half its length from the flexure of the praebrachial, and 

 by rather more from the border. Alulae dingy-white. Halteres whitish. 

 Abdomen tessellated with cinereous tomentum. Var. Head clothed 

 beneath with pale tawny hairs. Var. Facialia of the face and of the 

 peristoma reddish. 



Frequents houses, passes the winter in a sluggish state, and 

 abounds on windows in the spring before the appearance of 

 M. domestica. Generally distributed. (E. S. I.) 



