Scpt.-Dec, 19^1.] WeiSS-DicKERSOX : MlI.KWEED INSECTS. 143 



Chloralictus pilosus Sniiih. Kivcrton, X. J.. June 22. visiting A. 



syriaca flowers. 

 Chloralictus nymphaearum Rob. Rivcrton. N. J., June 22. visiting 



.-/. sxriuca nnwcrs. 

 Evylaeus pectoralis Sniitli. So. River, X. J., July 17, visiting A. 



syrtuiii flowers. 

 Halictus viridissimus \ier. N'isiting milkweed flowers, June, August 



(H. L. \'.) (Hymen. Conn., p. 705). 

 Anthemoessa bomboides Cress. Chester, X. J., July, visiting A. 



syriiica tlowers. 

 Hylaeus modestus Say. On flowers of milkweed, June. July, August 



( 1 l\nun. Coim.. p. 739). 

 Megachile brevis Say. Riverton, X. J., June 22, visiting flowers of 



A. syriaca. 

 Megachile infragilis Cress. Taken on milkweed flowers (Hymen. 



Conn.. ]i. 743). 

 Coelioxys octodentata Rob. So. River, X. J., July 17. visiting A. 



syriaca flowers. 

 Bremus perplexus Cress. Chester, X. J., July, visiting A. syriaca 



flowers. 

 Xylocopa virginica Drury. Xew Brunswick, X. J.. July 31, visiting 



./. pidclira flowers. 

 Bombias separatus Cress. Chester, X. J., July, visiting A. syriaca 



flowers. 



Throughout the season, many honey bees were observed visiting 

 the flowers of ^1. syriaca and A. piilchra. 



DlPTER.X. 



Scatopse brevicomis Mg. l^ivcrton, X. ].. June 22, visiting ./. syriaca 



tlower^ ( (k't. Malloch ). 

 Syrphus rectus O. S. Elizabeth, X. J., .\ugust 4, visiting A. piilchra 



and ./. syriaca flowers (det. Johnson). 

 Sphaerophoria cylindrica Say. Riverton, X. J., July 26, visiting ./. 



syriaca flowers; W'yckofl'. X. J., July 2S, larva feeding on aphids 



on .1. syriaca (det. Johnson). 

 Toxomerus marginata Say. So. River, X. J., July 17, visiting A. 



syriaca flowers (det. Johnson). For an interesting account of this 



