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UsDESClilBED CbâNE-FlIES IN TBE PaRIS MuSEVM (TiPULID^E, DiPTERa) 



Part III 



(Conthmed), 

 BY Chaules P. Alexander, 



Pli. I)., Urbami, III., U. S. A. 



SUBFAMII.Y TlPlMIV.1i:. 



Tribe TIPULINI. 



Genus Tipula Linnaeus. 

 Tipula poliocephala nov. sp. 



Gênerai coloration grey, the mesonolal praîsculum witli threo browii 

 stripes; antennae of niale niofleralely elongate; wings tinged wilh brown, 

 llie broad costal niargin and stignia dark brown; a conspicuous obiiterative 

 area before tbe stigma ; abdomen brown . tbe latéral margins of the tergites 

 broadly pale; maie bypopygiura witb the caudal margin of tbe ninth 

 lergite prodneed caudal into two parallel, blackened lobes, their tijis 

 spinulose. 



Maœ. — Lenglh about io,5 mm.; wing, 12,8 mm. 



Frontal prolongation of liead liglit grey above, brown lalerally; nasns 

 tnfled witli yellow brisllcs; paipi brown. Antenn;e of maie jalher elon- 

 gate, if bent backwaid exlending abonl to tbe base of tbe second abdo- 

 minal segment; scapal segments yeîlowish lestaceous, llagelbim brown; 

 llagcllar segments elongate-cylindrical, the basai enlargcment inconspi- 

 cuous. Head brownish grey, clearergrey on occiput. 



Pronotum grey. Mesonotal ])raescutum grey witb three indistinct 

 brown slripes, tbe médian stripc narrowly bisected anteriorly. Pleura clear 

 ligbt grey; dorso-pleural mend)ranes obscure yellow. Haltères brown. 

 I^egs with the coxic ligbt grey; Irociianlers obscure yellow; femora 



