﻿THE 
  INSECTS 
  OF 
  NEW 
  JERSEY. 
  757 
  

  

  D. 
  albiciliatus 
  Loew. 
  Dover 
  VI, 
  23. 
  

  

  D. 
  bifractus 
  Loew. 
  Jamesburg 
  VII, 
  4, 
  Ocean 
  Co. 
  (Sm) 
  ; 
  Westville 
  VIII, 
  18. 
  

  

  D. 
  eudactylus 
  Loew. 
  Riverton 
  VII, 
  3, 
  Woodbury 
  VI, 
  7. 
  

  

  D. 
  vittatus 
  Loew. 
  Princeton 
  VII, 
  21. 
  

  

  D. 
  batillifer 
  Loew. 
  New 
  Jersey 
  (Bt). 
  

  

  D. 
  reflectus 
  Aid. 
  Lenola 
  V, 
  30, 
  Jamesburg 
  VII, 
  4 
  (Jn). 
  

  

  D. 
  comatus 
  Loew. 
  Trenton 
  VI, 
  1 
  (Coll) 
  ; 
  Jamesburg, 
  Anglesea 
  V, 
  28. 
  

  

  D. 
  myosota 
  O. 
  S. 
  Trenton 
  VIII, 
  21 
  (Hk). 
  

  

  GYMNOPTERNUS 
  Loew. 
  

   G. 
  flavus 
  Loew. 
  Dunnfield 
  VII, 
  8, 
  Dover 
  VII, 
  16, 
  Westville 
  VII, 
  21. 
  

   G. 
  spectabilis 
  Loew. 
  Westville 
  V, 
  19, 
  Clementon 
  V, 
  30. 
  

   G. 
  scotias 
  Loew. 
  Shark 
  River 
  VII, 
  12. 
  

   G. 
  ventral 
  is 
  Loew. 
  Shark 
  River 
  VII, 
  12. 
  

   G. 
  debilis 
  Loew. 
  Jamesburg 
  VII, 
  4, 
  Merchantville 
  VI, 
  28. 
  

   G. 
  barbatulus 
  Loew. 
  Westville 
  VI, 
  18. 
  

   G. 
  exilis 
  Loew. 
  Merchantville 
  VI, 
  28, 
  Avalon 
  VI, 
  30. 
  

   G. 
  lunifer 
  Loew. 
  Ocean 
  Co. 
  V 
  (Sm). 
  

   G. 
  albiceps 
  Loew. 
  Manahawkin 
  IX, 
  5 
  (Hk). 
  

   G, 
  subdilatatus 
  Loew. 
  Delaware 
  Water 
  Gap 
  VII, 
  8. 
  

   G. 
  humilis 
  Loew. 
  Boonton 
  VI, 
  2 
  (CG); 
  Ocean 
  Co. 
  (Sm). 
  

  

  HERCOSTOMUS 
  Loew. 
  

   H. 
  vetitus 
  Melander. 
  Clementon 
  V, 
  30. 
  

  

  TACHYTRECHUS 
  Stannius. 
  

   T. 
  vorax 
  Loew. 
  Westville 
  VIII, 
  18 
  (Jn) 
  ; 
  Clementon 
  V, 
  10 
  (CG). 
  

   T. 
  protervus 
  Melander. 
  Clementon 
  V, 
  10. 
  

   T. 
  binodatus 
  Loew. 
  Durham 
  Pond, 
  Morris 
  Co. 
  VIII, 
  18 
  (GG). 
  

   T. 
  junctus 
  Coq. 
  Manahawkin 
  IX, 
  5 
  (Hk). 
  

  

  PELASTONEURUS 
  Loew. 
  

   P. 
  vagans 
  Loew. 
  Princeton 
  VII, 
  21, 
  Clementon 
  V, 
  30. 
  

   P. 
  lugubris 
  Loew. 
  Cape 
  May 
  VI, 
  22. 
  

  

  P. 
  lamellatus 
  Loew. 
  Jersey 
  City 
  IX, 
  18, 
  Brigantine 
  VIII, 
  3. 
  

   P. 
  laetus 
  Loew. 
  Trenton 
  VIII, 
  21 
  (Hk). 
  

  

  Family 
  EMPID.^. 
  

  

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

   swarms 
  under 
  trees 
  or 
  near 
  shrubs 
  and 
  about 
  brooks, 
  dancing 
  up 
  and 
  

   down. 
  The 
  mouth 
  parts 
  are 
  often 
  prolonged 
  into 
  a 
  beak, 
  and 
  they 
  are 
  

  

  