OF LANCASTER COUNTY, 



BiBio Geof. 



femorata Wei. 



brunnipes Fah. 



albipennis Say. 



articulosa Har. 

 ScATorsE Oeof. 



nitida Har. 

 DiLOPnus Met. 



frateruvis Har. 



lugubris Har. 

 Leja Mei. 



triplagiata Uar. 



ziczac Har. 



obscura Har. 

 Pedicia Lat. 



rostrata? Say. 



ASILID^. 



Laphria Meig. 



thoracica Fab. 



tei'gissa Say. 



flavibarbis Har. 



atribarbis Say. 



posticata Say. 



fulvicauda Say. 



flavicollis Saij. 



glabrata Say. 



sericea Say. 



saffrana Say. 

 DiocTRiA Meig. 



octopvinctata Say. 

 AsiLXJs Linn. 



sericeus Say. 



gestuans Linn. 



apicalis Weid. 



heros Weid. 



vorax Har. 



glauconotatus Har. 



ansatus Har. 

 EjiPfS Lin. 



atritarsata Har. 

 Htbos Meig. 



elevatus Har. 

 AcROCERA Meig. 



obesa Har. 

 fasciata liar. 



Antheacid^, 



BOMBYLIUS Lin. 



sequalis Fab. 



fulvis Tie id. 

 Anthrax Scop. 



morioides Say. 



anal is Say. 

 lateralis Say. 

 scapulaiis liar. 



RnAGIONID.E. 



Thereva Lat. 



nigra Say. 



notata Wei. 



frontalis Say. 



plagiata Har. 

 Leptis Fab. 



ornata Say. 



plumbea Say. 



liumeralis Har. 



trifasciata Har. 



DOLICHOPID^. 



DoLicnoPUS Lat. 



sipho Say. 



atriconiis Har. 

 PoRPHTROPS Meig. 



quadriplagiatus liar. 



scutellaris Har. 

 Plattpeza Meig. 



appendiculata Har. 



pallipes *S'</^. 



Tabniid^. 



Chrtsops Meig. 



ferrugatus Fab. 



vittatus Wei. 



confusiis Har. 

 Tabancs Linn. 



atratus Fab. 



cinctus Fab. 



liueola Fch. 



ferrugatus Fc?i,. 



niolestis Say. 



lineatus Fab. 



divisus Har. 



Xylophagidj:. 



Mtdas Fab. 



filata Lin. 



clavata? Dru. 

 Coenomyia Lat. 



pallida Say. 



fuscitarsis Har. 

 Xylophagus Fab. 



heros Har. 



fascipennis Har. 



politus Har. 



