144 Journal New York Entomological Society. [^'°'- xxix. 



fly and its relation to Apocynmn flowers, see Osburn (Ohio Jour. 

 Sci., Vol. XX, No. 7, May, 1920). 



Eristalis arbustorum Linn. Elizabeth. N. J., July 20, visiting A. 

 syriaca flowers (det. Johnson). 



Helophilus chrysostoma Wied. So. River, N. J., July 17, visiting A. 

 syriaca flowers (det. Johnson). 



Helophilus distinctus Will. So. River, N. J., visiting flowers of A. 

 syriaca (det. Johnson). 



Conops xanthopareus Will. New Brunswick, N. J., visiting A. pul- 

 clira flowers (det. McAtee). 



Cistogaster immaculata Maq. Elizabeth, N. J., August 4, visiting 

 A. pnlchra flowers (det. Malloch). 



Trichopoda pennipes Fabr. Princeton Jc, N. J., July 29. visiting 

 A. syriaca flowers (det. Johnson). 



Pollenia rudis Fabr. New Brunswick, N. J., July 5, caught by 

 A. syriaca flowers (det. Malloch). 



Lucilia sericata Mg. Elizabeth, N. J., July 20, caught by A. syriaca 

 flowers (det. Malloch). 



Phormia terrae-novae Desv. New Brunswick, N. J., July 5, caught 

 by A. syriaca flowers (det. Malloch). 



Elachiptera costata Loew. New Brunswick, N. J., September 10, 

 bred from decayed seed pods of A. syriaca (det. Johnson). Co- 

 quillett (Bull. 11, n. s., U. S. D. A., Div. Ent.) records the follow- 

 ing facts about this species : — bred from oats and fall wheat 

 plants ; bred from larvae found in decayed cavity in roots of 

 radish and from larvK found in a decayed melon root. 



Egle radicum L. So. River, N. J., July 17, caught by A. syriaca 

 flowers (det. Malloch). In Smith's Insects of New Jersey, p. 791, 

 this is listed as the radish maggot, often troublesome. 



Rivellia quadrifasciata Macq. Riverton, N. J., July 26, on A. pnl- 

 chra (det. Johnson). 



Chaetochlorops inquilina Coq. New Brunswick, N. J., September 16, 

 bred from decayed seed pods of A. syriaca (det. Johnson). These 

 pods were first injured by the larvae of Rhysscmatus lincaticollis. 

 Coquillett {loc. cit.) lists this species as having been bred from 

 the following: — from a cecidomyiid gall on aster; from a pu- 

 parium found in a cavity in apple, doubtless made by the codling 



