HABITAT: New York; taken on the 24th day of June.
_Upper Side._ The antennæ are black, and pectinated; the head and body
are of a light yellowish brown. On the thorax are three black marks,
running parallel with it, with several black spots on the abdomen. The
anterior wings are black; the cilia of a light yellowish brown, which
colour is continued along the interior edges, up to the body; some broad
lines, of the same colour, occupy about two-thirds of the wing, running
parallel with the anterior and interior edges. The posterior wings are of
the same light yellowish brown, with a faint black spot on each, having a
broad irregular border, of a faint black. {16}running along the external
edges, being very narrow in the middle. All the wings are plain and
entire.
_Under Side._ Exactly like the upper, but the colours are less brilliant.
This species is nearly related to our common British species, Spilosoma
lubricepida.