39. MYDAS BASIFASCIA, n. s. _Foem._ Atra, antennis clavatis, abdomine
fascia basali flava apice nitente, femoribus tibiisque posticis
rufescentibus, alis cinereis apud venas ochraceis.
_Female._ Deep black; antennæ clavate, a little longer than the
breadth of the head; abdomen with a slender yellow band very near the
base, shining at the tip; hind femora and hind tibiæ reddish; wings
cinereous, ochraceous about the veins, which are also ochraceous.
Length of the body 12 lines; of the wings 22 lines.