;o2 



The Ohio Naturalist. 



[Vol. XI, No. 5, 



with a terminal arista which is longer than the remainder of the 

 antenna, three small ocelli arranged in the form of a triangle 

 near the vertex, face on the under side of the head, only slightly 

 oblique and clothed with rather long white hairs, proboscis dark 

 yellowish, short and fleshy. Thorax shining green above and on 

 parts of the sides, black beneath, front legs black throughout, 

 other femora and tibiae and last three segments of tarsi black, 

 first two segments of tarsi white or very pale yellow. In most 

 specimens all the femora are dark yellow apically and the same 

 color may be present on the inner sides of the apices of the tibiae. 

 Wings hyaline, stigma pale yellow. Knob of Halteres yellow. 

 Abdomen green above, black beneath, clothed everywhere with 

 white hair. 



The male type and fourteen other specimens taken on Cedar 

 Point, Sandusky, in July. One male taken by B. B. Fulton. 

 vSpecimens procured while resting on leaves of variovis species 

 of plants. 



This species varies some in size and in the color of the legs, 

 but on the whole the specimens at hand are fairly uniform. 



