6 University of Michigan 



SyrpJius sp? — Two specimens on spiraea blossoms, July 26, 



1914. 

 Allograpta obliqiia Say. — On yellow tansy flowers on dune 



near shore of Lake Superior, July 14, 19 14. 

 Mesogramma marginata Say. — July, 1914, by Mr. McAlpine. 

 Mesogramma polita Say. — On tansy flower on sand dune, July 



26, 1914. 

 Spharophoria cylindrica Say. — Several specimens taken by 



Mr. McAlpine in July, 1914. 

 SphcFrophoria scripta Linne. — On tansy flowers near shore of 



Lake Superior, July 24, 19 14. 



Sphcvrophoria sp? — Taken by Mr. McAlpine, July, 1914. 



Volucella evecta Walker. — On foliage along trail to bay, July 



4, 1914- 

 Sericomyia mlUtaris Walker. — On raspberry flowers, July 4, 



1913- 

 BristaUs arhustorum Harbeck. — On flowers of dewberry, July 



20, 1914. 

 BristaUs dimidiatus Wiedemann. — On raspberry flowers, July 



6, 1913; common on spiraea during, July, 1914. 

 BristaUs Uavipes Walker. — On flowers of shrubs near Post 



Office, July, 1913 and 1914. 

 BristaUs iiavipcs Walker var. mclajiostoiinis Loew. — On 



spiraea flowers, July 28, 1914. 

 BristaUs tcnax Linne. — On log near bay, July 4, 1913; on dew- 

 berry flowers, July 20, 1914. 

 BristaUs transversus Wiedemann. — On spiraea flowers, July 



22, 1914. 

 Tropidia quadrata Say. — On tansy flowers, July 22, 1914. 

 HelophiUis latifrons Loew. — On spiraea flowers, near Post 



Office, July 24, 1914. 



