Bombyx Acria, _Fab. Ent. Syst._ III. 1. _p._ 451. _No._ 137. _Abbot and Smith, Ins. Georg. tab._ 67. (exclus. _Syn. Fabr._ B. lubricepidæ). Arctia Pseuderminea (_Peck_), _Harris in Massachus. Agricult. Repos. vol._ 7. _p._ 328. _and tab. annex_. HABITAT: New York, Maryland, Virginia (_Drury_). MALE..--_Upper Side._ The antennæ and eyes are black; the thorax and extremity of the body cream colour; he abdomen yellow, spotted on the top and sides with black. The anterior wings are cream coloured, spotted with black. The number of spots very uncertain, except five which are placed on the anterior edge, and six on the external one. The cilia yellow, as are the posterior wings, on each of which are three black spots, two near the external edge, and one near the middle. _Under Side._ The breast and thighs are yellow; the abdomen and legs the same, chequered and spotted with black. All the wings are yellow, spotted in the same manner with black, as on the upper side. FEMALE.--_Upper Side._ The head and thorax white. The abdomen yellow, with black spots on the sides and top, the extremity being white. All the wings are white, with black spots, whose number is very variable; but, on the anterior edges of each anterior wing, are placed five, and on the external edges, six. _Under Side_. The legs are black and white, the thighs yellow; the abdomen white, spotted with black. All the wings are white, with black spots, most of which, observed on the upper side, being seen on this.