CATALOGUE OF INSECTS. 661 



M. geminatum Say. Westville, VI, 27, Clementon, VIII, 9, Riverton, IX, 5. 

 M. boscii Macq. Avalon, VII, 22. 



SPHiEROPHORIA St. Farg. & Serv. 

 S. cylindridrica Say. Common throughout the State, VI to IX. 



NEOASCIA Will. 

 N. globosa Walk. Westville, V, 19, Buena Vista, VI, 11, Princeton, VII, 21. 



SPHEGINA Meig. 



S. keeniana Will. Clementon, V, 16, VI, 7. 



S. lobata Loew. Dunnfield, Del. Water Gap, VII, 8, 15, Riverton, VI, 19. 



S. rufiventris Loew. Caldwell (Cr). 



BACCHA Fabr. 



B. tarchetius Walk. Westville, VIII, 28. 



B. clavata Fabr. Riverton, IX, 11, Avalon, VI, 9. 



B. lugens Loew. Atco, VII, 12. 



B. aurinota Harris. Cumberland Co., IX, 1, Ocean Co. (Sm). 



B. cognata Loew. Dunnfield, Del. Water Gap, VII, 11, 1899. 



OCYPTAMUS Macq. 



O. fuscipennis Say. Westville, VII, 4, VIII, 14, Clementon, VIII, 9 (Jn), 

 Lakewood (Lansing). 



RHINGIA Scopoli. 



R. nasica Say. Westville, VIII, 28, Newark, VI, 16, Dover, VI, 1H, Cumber- 

 land Co., IX, 1. 



VOLUCELLA Geoff. 



V. evecta Walk. Clementon, V, 30, Orange Mts., VI, 13, Dunnfield, Del. 

 Water Gap, VII, 12. 



V. vesiculosa Fabr. Riverton, V, 29, Dunnfield, Del. Water Gap, VII, 8. 



V. fasciata Macq. Bred from Cactus {Opuntia), obtained at Clementon; 

 flies continued to emerge from V, 31 to V, 16 (Kp), Anglesea, VII, 10, 

 Lahaway, VII, 17 (Sm), Avalon, VI, 8: this insect is found wherever the 

 prickly pear occurs, and there is no outward indication of its presence 

 save that it is always associated with the larva of the Phycitid Melitara 

 prodenialis. 



SERICOMYIA Meig. 



S. chrysotoxoides Macq. Ft. Lee (Edwards), Clementon, V, 9, Newark, 

 VI, 16 (Jn), Blackwood, X, 10 (Viereck). 



