PLATYPALPUS. 129 



24. mundus, Wlk. e. m. iv. 228 (1837). Niger, palpis flavis, 

 alis limpidis, pedibm fulvis, femoribus posterioribus nigris, tarsis apice 

 fuscis. Long, li; alar. 2 lin. 



Black, shining. Proboscis rather long Palpi yellow. Third joint 

 of the antennae short-conical, broader but not longer than the first and 

 the second; fourth longer than all the preceding joints. Wings colour- 

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

 almost straight ; third and fourth nearly parallel. Halteres pale yellow. 

 Leys tawny ; posterior femora black ; middle femora thick ; middle 

 tibiae curved ; tips of the tarsi pale brown. 



Rare. In the collection of the Ent. Qlub. (E.) 



25. luteus, Mq. ; Fin. d. s. ernp. 10. 10 (1815); Mg. ; Mq. ; 

 Ztt. Luteus vel ferruginens, antennis fuscis basi flavis, alls limpidis, 

 venis nigris, pedibns fulvis, tarsorum articulis apice obscurioribus. 

 Long. 1^-2; alar. 3-4| lin. 



Luteous or ferruginous, stout, smooth, shining. Head yellow. 

 Proboscis luteous. Palpi yellow. Antennae brown ; first and second 

 joints yellow ; third conical, a little longer than the first and the se- 

 cond; fourth black y pubescent, much longer than all the preceding joints. 

 Wings colourless; veins black, tawny towards the base. Halteres 

 tawny. Legs tawny ; tips of the joints of the tarsi darker; middle 

 femora thick ; middle tibiae curved. 



Generally distributed. (E. S. I.) 



26. glaber, Mg. zw. iii. 89. 52 (1822); Ztt.? Luteus, capite 

 cano, antennis fuscis basi flavis, alis limpidis, venis fulvis, pedibus 

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



Pale luteous, smooth, shining. Head hoary. Proboscis tawny, with 

 a black tip. Palpi whitish. Antennae brown ; first and second joints 

 pale yellow ; third conical, a little longer than the first and the second ; 

 fourth pubescent, a little longer than the third. Wings colourless; 

 veins tawny, third and fourth longitudinal veins parallel. Halteres 

 yellow. Legs yellow ; tips of the tarsi black ; middle femora a little 

 thickened ; middle tibiae slightly curved. This species does not quite 

 agree with Zetterstedt's P. glaber, whose middle femora are described 

 as being very thick. 



Bare. In the collection of the Eiit, Club. (E.) 



27. pectoralis, Fin. d. s. emp. 9. 8 (1815); Ztt. gilvipes, Mg. 

 Luteus, capite cinereo, antennis nigris, thorace nigro-vittato, alis sub- 

 cinereis, stigmate nigro, abdomine fusco vel nigro subtus nonnunquam 



fulvo, pedibus fulvis. Long, li-li ; alar. 3-3^ lin. 



Luteous, smooth, shining. Head grey. Proboscis black. Palpi 

 whitish. Antennae black ; third joint conical, as long as the first and 

 the second ; fourth pubescent, as long as all the preceding joints. 

 Thorax loiih a black stripe. Wings slightly grey ; stigma black, long 

 and narrow ; veins black, tawny towards the base. Halteres tawny. 



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