Plate [VII]. fig. 3.
Order: Lepidoptera. Section: Nocturna. Family: Arctiidæ, Steph.
Genus. Spilosoma, Steph. Arctia, p. Schrank. Eyprepia, p. Ochs. Phalæna (Noctua), Drury.
Spilosoma Nais. Alis anticis nigris lineis tribus longitudinalibus fusco-fulvescentibus, duabus superioribus externè connexis, posticis pallidioribus margine irregulari nigro. (Expans. Alar. 1 unc. 9 lin.)
Syn. Phalæna (Noctua) Nais, Drury, Append. v. 2
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. 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.