20 MUSCID.E. 



2. fera, L. F. S. 1836 (1761); F. ; Gmel. ; Scbr. ; Pz. ! Fn. 

 xx. 18 j Meig.; Mcq.; Desv.; Zett. Geoff. ; Schell. ; Hbst. awlis, 

 Desv. intermedia, Desv. nigrofemorata, Desv. rubricornis, Desv. 

 testacea, Desv. errans, Desv. vernalis, Desv. virgo, Meig. ; Mcq. ; 

 Zett. magnicornis ? Zett. -ferina ? Zett. Nigro-cinerea, capite flavo, 

 antennis fulvis apice nigris, articulo tertio secundi dimidio paullo lon- 

 giore, humeris scutelloque fulvis, alis subcinereis basi subflavescentibus, 

 abdomine testaceo, vitta dorsali nigra, pedibus testaceis, femoribus basi 

 nigris. Long. 5^; alar. 12 lin. 



Head yellow ; frontalia ferruginous ; palpi yellow. Antennae tawny ; 

 third joint black, tawny at the base, deepening from the base to the 

 tip, which is truncated, a little more than half tJie length of the second ; 

 fifth joint more than twice the length of the fourth ; the second less 

 than one-third of the length of the sixth. Thorax greyish-black ; 

 humeral scapula3 and scutellum tawny. Wings greyish, slightly yellow 

 along the veins towards the base ; praebrachial vein forming an almost 

 right angle at its flexure, near which it forms an inward curve, and 

 thence is straight to its tip. Alulse white. Abdomen testaceous, with 

 a broad black dorsal stripe ; tip ferruginous. Legs testaceous ; femora 

 black towards the base. 



Not rare. (E.) 



3. tessellata, F. E. S. iv. 324-5 (1794); Meig.; Mcq. ; Desv.; 

 Zett. -fera var. y, Fal. nigricornis ? Meig. Nigra, capite argenteo 

 antice testaceo, antennarum articulo tertio secundi dimidio multo longiore, 

 thorace cano-tomentoso uigro-quadrivittato, scutello ferrugineo, alis 

 cinereis, abdomine rufo-fulvo, vitta dorsali apiceque nigris, tibiis pos- 

 terioribus piceis. Long. 5-6 ; alar. 10-12. 



Head testaceous in front ; frontalia ferruginous, widening in front ; 

 epistoma prominent ; palpi testaceous. Antennae reaching the epistoma ; 

 second joint deepening towards the tip, where its depth is one-third of 

 its length ; tk*rd very convex above, slightly truncated at the tip, much 

 shorter and deeper than the second. Thorax with four black stripes ; 

 scutellum ferruginous. Wings grey, with a slight brown streak extend- 

 ing from the flexure of the pra3brachial vein ; middle transverse vein 

 clouded with brown ; prasbrachial vein forming a right angle at its 

 flexure, near which it is curved inward, and is thence almost straight 

 to its tip; discal transverse vein with two slight and equal curves, 

 parted from the border by a little less than its own length. Alula3 

 white. Abdomen reddish-tawny ; dorsal stripe and tip black, the latter 

 with white tomentum. Posterior tibiaa piceous. 



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



4. ferox, Pz. ! Fn. 104. 20; Meig. ; Desv. ; Mcq. ; Zett. rotun- 

 data, Har. Nigra, capite cinereo-tomentoso, palpis clavatis fulvis basi 

 nigris, alis hyalinis basi subflavescentibus, abdomine testaceo, vitta 

 dorsali apiceque nigris. Long. 7; alar. 13 lin. 



