170 
Psyche 
[June 
of the vertex, white pollinose; orbital cilia white, only a 
few of the very small upper cilia black. 
Thorax green, dorsum shining, anterior edge dulled with 
gray pollen ; posterior edge of pleurse black, but seen from 
behind the space above and between the hind coxae is 
yellow ; dorsum of abdomen green, three first segments with 
coppery reflections, fourth and fifth more bluish, sixth 
wholly blue; sides of second and third segments with large 
yellow spots; venter of first four segments yellow with a 
few small yellow hairs, hairs on dorsum black ; hypopygium 
black with only a few short black hairs on posterior sur- 
face, outer lamellae black, narrow, as long as height of hypo- 
pygium, fringed with stiff black hairs and a few white 
ones, inner appendages short, stout, with a few minute 
hairs. 
All coxae, femora and tibiae yellow ; fore coxae with a few 
yellow hairs and two black bristles; tips of hind femora 
black above ; most of apical half of hind tibiae and whole of 
their tarsi black ; fore and middle femora with short yellow 
hairs below; fore and middle tarsi black from tip of first 
joint; first joint of fore tarsi with a row of hairs of nearly 
equal length below, which are about as long as diameter of 
joint and continued the whole length of second joint, all 
joints of fore tarsi with long hairs at tip, above; joints of 
fore tarsi as 33-14-9-7-7; of middle ones as 40-18-14-7-6; 
first three joints of hind tarsi as 30-31-18. Calypters and 
their cilia whitish ; halteres pale yellow. 
Wings tinged with brownish gray; third vein bent back 
at tip; last section of fourth vein a little arched, parallel 
with third at tip, ending just back of apex of wing; last 
section of fifth vein nearly twice as long as cross-vein ; sixth 
vein a little sinuous; anal angle of wing prominent. 
Described from one male, taken by the author, June 4, 
1925, in the bed of the old canal, near Amnity Hall, Ben- 
venue, Pennsylvania. Type in the author’s collection. 
Nematoproctus varicoxa new species 
Male : Length 5 mm. ; of wing 4 mm. Face rather nar- 
row, a little more than half as wide as the front, silvery 
white, its sides parallel; palpi yellow, about as long as 
