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DICHROMA ARCUALIS.
PLATE XXX. Fig. 3.
The fore wings in this species are of a dirty and rather pale brown colour, ornamented with white markings; near the base of the wing is a strongly furcate mark, the anterior branch of which is dilated; parallel to the inner margin of the wing is a white slender bar, which is connected near the middle of the wing with a series of white crescents placed obliquely, and extending upwards to the middle of the wing, above which is a clavate spot; beyond this, and extending in an oblique direction to the tip of the wing, is a strongly denticulated white line; and there is a row of white arches along the outer margin of the wing, diminishing in size as they extend towards the apical angle. The hind wings and abdomen are white, slightly tinged with brownish.
The expansion of the fore wings is one inch.
