518 PROCEEDINGS OF THE ACADEMY OF [Oct., 



Subgenus GONOMYELLA Alexander. 

 Gonomyia (Gonomyella) slossonae Alexander. 



? Gonomyia slossonce Alexander; Proceedings of The Academy of Natural 

 Sciences of Philadelphia, pp. 588, 589, PI. 27, fig. 26 (1914). 



A tropical species that ranges into the southeastern United States: 



South Carolina, Georgetown County, South Island, August 19, 

 1915 (Alexander). 



Florida, Seminole County, Sanford, May 7, 1908 (M. C. Van- 

 Duzee); Dade County, Biscayne Bay (A. T. Slosson); the type- 

 locality. 



Panama, Paraiso, January 29, 1911 (Busck). 



Subgenus GONOMYIA Meigen. 



The Blanda Group. 



Gonomyia (Gonomyia) mathesoni Alexander. 



Gonomyia mithesoni Alexander; Entomological News, vol. 28, pp. 170-172, 

 figs. 1-3 (1915). 



A species of the northeastern United States and eastern Canada: 



Nova Scotia, Truro, July 7 to 26, 1913 (Matheson). 



New York, Fulton County, Sacandaga Park, June 12 to 16, 1914 

 (Alexander), the type-locality; Herkimer County, Indian Castle, 

 June 13, 1915 (Alexander); Cortland County, Taylor, July 20, 1916 

 (Alexander) ; Tompkins County, Ithaca, August 24, 1912 (Alexander). 



The wing is shown on Plate XXVI, fig. 23. 



The hypopygium of the male has been described and figured in the 

 paper cited above. 



Gonomyia (Gonomyia) blanda Osten Sacken. 



Gonomyia blanda Osten Sacken; Proceedings of The Academy of Natural 

 Sciences of Philadelphia, p. 231 (1859). 



This handsome fly ranges over the eastern United States: 



New Hampshire, Rockingham County, Hampton, July 15, 1907 

 (S. A. Shaw). 



Vermont, Chittenden County, Burlington, June 23, 1906 (Johnson). 



Connecticut, New Haven County, East River, July 16 to 20, 1910 

 (Ely). 



New York, Albany County, Albany, June 26, 1912 (D. B. Young); 

 Herkimer County, Trenton Falls, (Osten Sacken), the type-locality; 

 Cortland County, Taylor, July 20, 1916 (Alexander); Tompkins 

 ■County, Ithaca, July 19, 1912 (Alexander). 



District of Columbia, Washington (Osten Sacken) ; the type-locality. 



Virginia, Fairfax County, Falls Church, June 7, 1914 (Shannon). 



South Carolina (in the Berlin Museum). 



