Published online by Cambridge University Press: 31 May 2012
1. Chœtopsylla setosus sp. nov.— Nearest to Ch. ursi, Rothsch. (1902), but easily recognized by the shape of the abdominal sclerites and the tarsi.
Head.—The labial palpus consists of about ten segments, reaching beyond the trochanter, while in ursi there are seven or eight segments only. There is one row of four or five bristles before the eye. The occiput bears two or three hairs behind the base of the antenna, a lateral row of four or five bristles in the centre, and a subapical row.