128 EMPiD.?*;. 



20. coimniles, n. Cinereus, cmtennis n'ujris, alls sublinipidis, 

 ahdomine nigro subtiis fulvo, pedibus fulvis, tarsis fuscis basi fulvis, 

 genubus posteriori bus fuscis. Long. IJ-lf ; alar. 3|^-4 lin. 



Grey. Head clothed above with black hairs, beueath with white 

 hairs. Palpi yellow. Autennoe blacl\ pubescent, nearly as long as 

 the head ; fourth joint long, slightly pubescent. Wimjs uearlj colour- 

 less; veins brown, tawny at the base. Halteres yellow. Abdomen 

 clothed with short whitish hairs, black and shining above, tawny 

 beneath. Legs tawny, clothed with very short pale yellow hairs ; tarsi 

 brown ; first joint tawny, with a brown tip ; second joint tawny at the 

 base; tips of the hind tibiae dark tawny ; hinder knees brown. 



Eare. In the collection of the Entomological Club. (E.) 



21. compungens, n. Cinereus, capite cauo, antennis fuscis 

 apice nigris, alis limpidis, abdoinine nigro basi subtus fulvo, pedibus 



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



Cinereous, clothed with pale yellow hairs. Head hoary. Palpi 

 yellow. Antennae brown; third joint as long as the first and the 

 second ; fourth black, longer than all the ])receding. Wings colourless ; 

 veins brown. Halteres yellow. Abdomen black, shining, tawny towards 

 the base beneath. Legs yellow ; tips of the tarsi black ; middle femora 

 very slightly thickened ; middle tibiae very slightly curved. 



Rare. In the collection of the Entomological Club. (E.) 



22. robustus, Wlk. e. m. iv. 228 (1837). Cinereus, capite cano, 

 palpis albidis, antennis nigris basi fulvis, alis limpidis, abdomine nigro, 

 pedihus fulvis. Long. 1 ; alar. 2 lin. 



Cinereous, rather stout. Head hoary. Palpi whitish. Antennce 

 black ; first and second joints tawny ; third tapering, longer than the 

 first and the second ; fourth much longer than the tliird. Wings co- 

 lourless ; veins and halteres yellow ; third and fourth longitudinal veins 

 very slightly converging. Abdomen black, shining. Legs tawny, 

 stout ; middle femora very thick ; middle tibiae curved ; fore femora 

 thick. 



Hare. In the collection of the Entomological Club. (E.) 



23. ciliaris. Fin. d. s. emp. 33. 1,2 (1815); Mg. ; Ztt. Niger, 

 thoracis lateribus canis, alis sublimpidis, halteribirs albis, 2)edibus fiavis. 

 Long. 1-H; alar. 3-4 hn. 



Black, shining, slender. Palpi pale yellow. Antennaa pubescent ; 

 third joint tapering, longer than the first and the second ; fourth longer 

 than the third. Thorax hoary on each side. Wings nearly colourless ; 

 veins brown, tawny towards the base ; second longitudinal vein nearly 

 straight ; third and fourth almost parallel. Halteres white. Legs 

 ■yellow ; tips of the tarsi black ; middle femora very little thicker than 

 tiie other femora; middle tibici) veiy slightly curved. 



Generally distributed. (E. 8.) 



