1864.] 
419 
is replaced by a submedian fold. The costal vein is simple. Subcostal 
vein attenuated towards the base ; it appears to be simple, but is really 
bifid, the point of bifurcation being invisible except by transmitted 
light under a lens; the lower branch is continued through the disc as 
a false nervule. The disc is closed, becoming narrower behind or ex¬ 
teriorly. The median vein is very distinct and 4-branched, the three 
posterior branches being equidistant. 
Fore wings with large thick tufts of scales^ the tips of the wings are 
bent or turned under, when closed, lanceolate and pointed. The disc 
is nixrrow. The subcostal vein has three marginal branches, the first 
arising from the middle of the disc ; the apical branch is furcate and 
enters the costa before the tip of the wing. Beneath the apical branch 
are 5 nervules to the inner margin. 
Head without ocelli, smooth with appressed scales. Antennae as long 
as the body, slightly serrated beneath towards the tip; basal joint 
rather long, smooth, slender. Labial palpi smooth, moderately long, 
recurved, not ascending higher than the vertex; second joint slightly 
compressed, slightly broader than the terminal joint, which is cylindri¬ 
cal, about as long as the middle joint, of uniform diameter and scarcely 
acute. Maxillary palpi short, distinct. Tongue rather longer than the 
anterior femora, clothed with scales to the tip, densely at the base. 
W. Amorphella.—Fore wings yellowish fuscous, with a rather large blackish 
brown patch at the base of the wing somewhat varied with spots of the general 
hue, and a blackish-brown tuft, having the scales directed toward the tip of the 
wing, on the basal third of the fold, and a smaller one above it near the costa. 
ITear the end of the fold is another small tuft of the general hue, having the 
ends of the scales tipped with dark brown and in the middle of the wing nearly 
adjoining the latter is a large tuft of the general hue. Above the end of the 
fold is a small blackish brown tuft, the scales of which are not so much erected 
as in the other tufts; between this and the central tufts is a blackish brown 
patch which sends a streak of the same hue into the fold. The apical portion 
of the wing is somewhat discolored with brown and along the inner margin, at 
the base of the cilia are five or six black dots. Cilia dull testaceous. 
Antennae fuscous. Head and thorax blackish-brown. Labial palpi yellow¬ 
ish fuscous. 
Mr. B. I). Walsh, to whose kinduess I am indebted for three speci¬ 
mens of this moth, informs me that the larva burrows in a gall formed 
on the stem of Amorpha fructiosa and undergoes its transformation 
within it. 
