134 
Psyche 
[June-August- 
Holotype. — Female: Falls Church, Virginia, Dec. 29, 
(Barber.) This specimen has been returned to the U. S. National 
Museum. 
Leptocera (Pteremis) unica n. sp. (Fig. 2). 
Subshining black. Front slightly reddish, much broader 
than deep; the divergent stripes, divided by the broad inter- 
frontal stripes, opaque velvety black. (The poor condition of 
the head of this specimen makes it impossible to give the location 
of the bristles), third joint of antennae reddish; face slightly 
carinate, concave in profile, with a slight reddish tinge; epistome 
curved up on its anterior margin; clypeus broadly visible from 
in front; cheeks at vibrissal angle, nearly one-half as high as 
eye; vibrissse much reduced. Mesonotum with three pairs of 
dorsocentral bristles, the anterior two pairs very much reduced 
and rather indistinct; acrostichal bristles few, in five irregular 
rows between the anterior pair of dorsocentrals; scutellum 
triangular; disc bare; marginal bristles four; pleurae reddish; 
upper sternopleurse with a prominent bristle. Legs with coxae, 
and trochanters ^^ellowish; knees, apices of tibiae and tarsi 
reddish; bristles of legs very much reduced; hind metatarsi 
thickened, two-fifths as long as next joint. Wings brownish, 
reaching to the middle of fourth abdominal segment; veins 
brown; costa ciliate for its entire length and ending at third 
vein, second section distinctly shorter than third; last section 
of second vein twice as long as basal section of third vein; inner 
crossvein narrow; outer cross vein absent, Abdomen glossy 
black, rather long and narrow, tapering posteriorly. Halteres 
considerably reduced, yellow. Length: 1.25 mm. 
Holotype. — Female; Yellowstone National Park, Wyo. (U. S. 
N. M.) 
This single specimen has been returned to the National 
Museum. 
