96 
Psyche 
[Sept.-Dee. 
of the notopleurae. Abdomen: quite spatulate, the second seg- 
ment very narrow basally, its subbasal width is scarcely more 
than a third its apical width; the third segment forms almost 
an equilateral triangle, basally truncate; the third segment is 
not quite as long as the second, nor the second quite as long as 
the fourth. The fourth segment is very little narrowed apically. 
The abdomen is shining black, the anterior corners of the 
third segment show a trace of reddish-black. Pile of the ab- 
domen appressed and black in the center of the third and 
fourth segments and extensively white along the sides and 
base and everywhere white upon the fifth segment except for 
the posterior middle. Legs: black, the anterior femora are 
dark brown basally, growing paler towards the apex; the apex 
of the middle femora is light brown, the basal half of the first 
and second tibiae and their apices and the narrow base of the 
hind tibiae whitish-yellow. The central portions of the first 
four tibiae are brown; remainder of hind tibiae black and black 
pilose. Front tarsi, first two joints of middle tarsi, apical half 
of hind basi tarsi and its next two joints whitish-yellow. Re- 
maining tarsi brown. Wings: hyaline, the stigmal cell and an 
elongate marginal spot on the apex of the wing covering the 
end of the marginal cell, and the end of the submarginal cell as 
far as the third longitudinal vein, dark brown. There is a dark 
brown spot, rather narrow covering the furcation of the sec- 
ond and third veins and extending back to cover the closure of 
the second basal cell. The costal and base of subcostal cells 
are also brown. 
Holotype: a female, Chilibre, Republic of Panama, 1940 
(A. G. B. Fairchild collector). 
Baccha oriel n. sp. 
Characterized by the slender abdomen and pale wings and 
the proportionate shape of the segments. Fourth segment less 
than twice as wide as the second. Related to lepida Macquart. 
Male. Length 9 mm. Head: the face, and front except for a 
crescentic brown spot enclosing a black dot before the antennae, 
and cheeks orange yellow. Pile of front thick, long and black, 
sparse upon the upper part of the face. The antennae are 
orange, its pile and arista black, its length short. Thorax: 
light yellow upon all of the pleurae except for a wide, continu- 
ous, oblique, posterior band, light yellow upon the humeri, the 
