LIST OF DIPTERA. 525 



Laphvia flavicollis, Say, Long's Exped. to St. Peter's River, Append. 



374, 2. Wied. Auss. Ziveifl. i. 519, 34. 

 Lapbria melanopogon, Mas. ? 



Pennsylvania. 



47. Laphria posticata. 



Mas. Nigra ; thorax et abdominis apex aurario pilosa ; alee 

 cinerem. 



Lapbria posticata, Say, Long's Exped. to St. Peter's River, Append. 

 374, 1. Wied. Auss. Ziveiji. i. 518,32. Macq. Dipt. Exot. 

 i. 2, 69, 17. 



Pennsylvania, Carolina. 



48. Laphria tergissa. 



Nigra, flavo hirta ; seutellum, abdominis segmentum \um, anus 

 pedesque poslici nigro hirta ; alcejiavidce. 



Lapbria tergissa, Say. 



United States. 



49. Laphria analis. 



Nigra, flavo hirsuta ; abdomen apiee nigrum ; ala fusca: areolarum 

 discis hyulinis. 



Laphria analis, Macq. Dipt. Exot. i. 2, 68, 15. 



Boreal America. 



50. Laphria Terr^e No\m. 



Foem. Nigra ; caput, thorax et abdomen flavido hirta ; pedes 

 nigro hirti ; alarum vena fusco inarginatce. 



Lapbria Terrs Novas, Macq. Dipt. Exot. i. 2, 69, 18. 



Newfoundland. 



51. Laphria flavipila. 



Nigra, flavo pilosa ; antennarum articulus Sus sat elongalus, non 

 obtusus ; pedes poslici niyro pilosi ; alee fusca, basi flaves- 

 centes. 



Lapbria flavipila, Macq. Hist. Nat. Dipt. i. 282, 8. 



United States. 



