k, arista
longer than the thorax; thorax with three broad reddish cupreous
stripes; abdomen with broad cupreous purple bands; femora lutescent,
tibiae piceous, fore femora blackish towards the tips, tarsi black;
wings black, tips snow-white, fore branch of the praebrachial vein
slightly curved inward, discal transverse vein much curved outward;
halteres tawny, with black tips. Length of the body 4-1/2 lines; of the
wings 9 lines.

57. Psilopus flavicornis, _Wied. Auss. Zweifl._ 11. 227. 31.

Inhabits also Sumatra.

58. PSILOPUS TERMINIFER, n. s. _Mas._ Aureo-viridis, vertice
cyaneo-purpureo, facie pectoreque argenteis, antennis, pedibus
halteribusque testaceis, abdomine apicem versus atro fasciis duabus
cupreis, alis subcinereis apice nigris.

_Male._ Golden-green, slender. Vertex bluish-purple; face and pectus
silvery; antennae testaceous, arista about half the length of the body;
fourth and fifth segments of the abdomen deep black with a cupreous band
on the hind border of each segment, tip blue; legs and halteres
testaceous; wings greyish, paler along the hind border, tips black, fore
branch of the praebrachial vein slightly curved inward, discal transverse
vein slightly undulating. Length of the body 3 lines; of the wings 5
lines.

59. PSILOPUS ORCIFER, n. s. _Foem._ Purpureus, facie pectoreque
subcinereis, antennis, pedibus halteribusque nigris, abdomine
cyaneo-viridi segmentorum marginibus posticis purpureis, alis
nigricantibus margine postico cinereo. _Var._ Viridis, vertice cyaneo,
abdominis segmentis basi nigris.

_Female._ Purple, rather stout. Face and pectus slightly cinereous;
antennae, legs, and halteres black; abdomen bluish-green, hind borders of
the segments purple; wings blackish, cinereous along the hind border,
fore branch of the praebrachial vein forming an obtuse angle, discal
transverse vein very undulating. _Var._ Green. Vertex blue; abdominal
segments black at the base. Length of the body 2-1/2 lines; of the wings
5 lines.

60. PSILOPUS EGENS, n. s. _Mas et Foem._ Purpureus, facie pectoreque
cyaneo-viridi cinereo subtomentosis, antennis, pedibus halteribusque
nigris, metathorace viridi, abdomine cyaneo, suturis nigris, alis
cinereis.

_Male and Female._ Purple. Face and pectus slightly covered with
cinereous tomentum, the latter bluish-green; antennae black, arista much
more than half the length of the body; metathorax green; abdomen blue,
sutures black; legs and halteres black; wing