148 [Junk 



fusco-hyaliue, violaceous, costa and base of anterior pair yellowish, a broad 

 blackish streak extending from beneath the first submarginal cell to the tip of 

 the wing. 



Female. — Head ferruginous ; a spot enclosing the ocelli, and the 

 surface about the insertion of the antennae, blackish ; occiput smooth 

 with a rather deep transverse fovea on each side behind the ocelli ; 

 vertex prominent, with scattered punctures about the ocelli ; the orbits, 

 not reaching the summit of the eyes, yellow; clypeus tinged with yel- 

 lowish, pubescent, with a transverse row of deep punctures before the 

 apex ; the face with tufts of long, dense, golden-yellow pubescence 

 about the insertion of the antenna; ; mandibles black at tips and fringed 

 beneath with long yellowish pubescence; antennae short, piceous-black. 

 the two basal segments ferruginous. Thorax black, shining, with sparse, 

 pale fulvous pubescence ; a quadrate yellow spot on each side of the 

 prothorax ; mesothorax with large, close, deep punctures, sparse on the 

 disk, which is stained with ferruginous in one specimen ; scutellum 

 smooth and polished, with three obscure yellowish spots, but in one 

 specimen the whole scutellum is pale ferruginous ; metathorax black, 

 polished on the sides and behind, the upper surface punctured, with a 

 tuft of yellowish-ferruginous pubescence on the disk ; on each side 

 above a broad, longitudinal, bright yellow stripe, extending down on 

 the posterior face which is rather abrupt, the sides very abrupt ; pleura 

 shining, sometimes with a small ferruginous spot beneath the tegula*. 

 which is also ferruginous. Wings : superior pair pale fuliginous, the 

 base yellowish, which color extends along the costa to near the tip of 

 the marginal cell, beneath this commences a broad blackish stripe 

 which extends to the tip of the wing ; posterior pair fusco-hyaline, pale 

 at base, both winas have a beautiful violaceous reflection, deeper and 

 more brilliant on the blackish stripe of the superior pair. Legs ferru- 

 ginous, with golden-yellow pubescence ; the tibia; and tarsi spinose ; 

 the spurs which arm the apex of the posterior tibiae long, filiform and 

 obtuse, the inner ones very long, and dilated or somewhat spatulate at 

 tip. Abdomen above black, shining, somewhat iridescent, sparsely 

 punctured, with the apical margins of the segments densely fringed 

 with long ferruginous pubescence; first segment with a broad, trans- 

 verse bright yellow band, slightly interrupted on the middle, second. 

 third and fourth segments with a large, rounded, bright yellow spot 

 on each side, approximate on the disk; the fifth segment has some- 

 times four small yellowish spots across the middle ; the apical segment 

 has a dense, appressed, golden pubescence ; venter entirely ferruginous, 

 except a small yellowish spot on each side of the third segment ; the 



