796 REPORT OF NEW JERSEY STATE MUSEUM. 



Family 



Medium to small black, brown or yellowish flies, having a short, quick 

 flight. They are almost invariably found about decomposing organic 

 matter, and often hover in clouds about dung or sewage, where their 

 larvae live. 



LIMOSINA Macq. 



L. limosa Meig. Culver's Lake V, 29, New Brunswick VII, Ocean Co. V 

 (Coll). 



BORBORUS Meigen. 



B. equinus Fall. Culver's Lake V, 29 (Coll); Newark VI, 16, Westville 

 V, 19 (Jn); Riverton IV, 8 (Dke). 



B. geniculatus Meig. Boonton III, 3 (CG); Merchantville XI, 16 (Dke). 



SPH/EROCERA Latr. 



S. subsultans Fab. Culver's Lake V, 30, Newark (Coll); Woodbury V, 

 14 (Jn). 



Family SCIOMYZID^. 



Head rounded, short, as broad or broader than the thorax, face retreat- 

 ing, abdomen long and narrow. Legs and wings long, the latter exceed- 

 ing the abdomen. The flies occur along the banks of streams in which 

 the larvse live, and the wings are often ornamented. None are harmful 

 in any way. 



SCIOMYZA Fallen. 



8. nana Fallen. Trenton VIII, 21 (Hk) ; Riverton IX, 1, Camden VIII, 24 



(Jn); Cape May IX, 21 (Dke). 



S. obtusa Fallen. Trenton VIII, 21 (Hk) ; Westville V, 19. 

 S. pubera Loew. Trenton VIII, 21 (Hk) ; Riverton IX, 29. 

 S. apicata Loew. Trenton V, 24 (Hk). 

 S. humilis Loew. Trenton VIII, 19 (Hk). 



DRYOMYZA Fallen. 

 D. simplex Loew. Dunnfield VII, 14, Dover VI, 18. 



NEUROCTENA Rond. 

 N. anil is Fall. Dunnfield, Del. Water Gap VII, 12. 



TETANOCERA Latr. 



T. arcuata Loew. Chester VIII, 1 (Coll); Dover VI, 18, Merchantville VI, 

 28. 



