3 02 
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 apicallv 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. 
Specimens procured while resting on leaves of various 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. 
