Gen. XIRIA, n. g. (_Plate II. fig. 2._)

_Mas._ _Corpus_ metallicolor, subsetosum. _Caput_ latiusculum. _Palpi_

longiusculi. _Antennæ_ breves; articulus 3^{us} sublinearis; arista

latè pumosa. _Thorax_ robustus. _Abdomen_ lineare, thorace paullò

longius et multò angustius. _Pedes_ longiusculi, sat validi. _Alæ_

mediocriter longæ latæque.

_Male._ Body metallic, slightly setose. Head rather broad, hardly

narrower than the thorax; epistoma not prominent. Proboscis short.

Palpi porrect, rather long and stout. Antennæ short, not nearly

reaching the epistoma; 3rd joint almost linear; arista deeply

plumose, much more than twice the length of the 3rd joint. Thorax

stout. Abdomen linear, a little longer than the thorax and about

half its breadth. Legs rather long and stout. Wings moderately long

and broad; subcostal vein ending at rather beyond one-third of the

length; mediastinal ending at very much beyond half the length;

radial ending at beyond five-sixths of the length; cubital ending at

hardly in front of the tip; discal transverse nearly straight,

slightly oblique, parted by about half its length from the border,

and by rather more than its length from the præbrachial transverse.

115. XIRIA ANTICA, n. s., mas. Purpurea, capite nigro, antennarum

articulo 3^o ferrugineo, pedibus testaceis, tibiis nigris, tarsis

albis anticis ferrugineis, alis sublimpidis apice nigricantibus

maculis costalibus albis et nigricantibus.

_Male._ Purple. Head and appendages black. Third joint of the antennæ

ferruginous. Legs testaceous; tibiæ black; fore tarsi ferruginous;

posterior tarsi white, with brown tips. Wings nearly limpid, with

two white and two blackish spots on the costa; tips blackish; veins

black, testaceous along the costa. Halteres whitish. Length of the

body 4 lines; of the wings 8 lines.

Mount Ophir.

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