(552 STATE BOARD OF AGRICULTURE. 



Family EMPIDJE. 



The "dance-flies," so called because of their habit of congregating in swarrns 

 under trees or near shrubs and about brooks, dancing up and down. The 

 mouth parts are often prolonged into a beak, and they are predatory in habit. 

 The larvse are predatory, and live under leaves and other decaying vegetable 

 matter where their prey occurs. 



EUHYBTJS Ooquillett. 



E. triplex Walk. Clementon, V, 22, Mullica Hill, Westville, V, 30, Anglesea, 



V, 28, Atlantic City, V, 15. 

 E. subjectus Walk. Clementon, V, 30, Jamesburg, VII, 4, Atco, VII, 12, 



Avalon, VII, 22, Riverton, IX, 9. 



SYNECHES Walk. 



S. thoracicus Say. Merchantville, VI, 28, Jamesburg, VII, 4, Atco, VII, 12. 

 S. simplex Walk. Atco, VI, 18, Westville, VII, 2, Avalon, VII, 22, Clemen- 

 ton, VIII, 6. 

 S. rufus Loew. Atco, VII, 9, Avalon, VI, 30 (Jn), Buena Vista, VII, 10 (Li). 

 S. hyalinus Coq. Westville, VII, 21, Avalon, VII, 22. 

 S. pusilla Loew. Jamesburg, VII, 4. 



EMPIS Linn. 



E. spectabilis Loew. Caldwell (Cr), Wenonah, V, 14, Clementon, IV, 15, 

 Riverton, V, 1. 



E. longipes Loew. " New Jersey " (OS). 



E. brachystoma Coq. ms. Newark, VI, 13. 



E. loripedis Coq. Clementon, V, 9 (Jn), Palisades, V, 24 (Love). 



E. tridentata Coq. Woodbury, VI, 7. 



RHAMPHOMYIA Meigen. 



R. longicauda Loew. Dunnfield, Del. Water Gap, VII, 12. 



R. tersa Coq. Prospertown, VI, 1 (Sm). 



R. priapulus Loew. Clementon, V, 9. 



R. gracilis Loew. Dunnfield, Del. Water Gap, VII, 11. 



R. glabra Loew. Newark, VI, 16 (Jn), Caldwell (Cr). 



R. compta Coq Clementon, VI, 16. 



R. basilaris Loew. Clementon, V, 9. 



R. nana Loew. Clementon, V, 10, Del. Water Gap, VII, 10. 



R. pulla Loew. Clementon, V, 30 (Jn), Atco, VI, 3 (Li). 



R. angustipennis Loew. Clementon, V, 9, 30. 



R. vittata Loew. Clementon, V, 30. 





