1913] Girault: Chalcidoid Hymenoptera from Australia 
39 
Described from a single female captured by sweeping foliage 
and grass in the forest, April 5, 1913. 
Habitat: Australia — -Nelson (Cairns), Queensland. 
Type: In the Queensland Museum, Brisbane, the above speci- 
men on a slide with the type of Arretoceroides feralis Girault MS. 
Tetrastichus 
1. Tetrastichus xanther new species. 
$ : Length, 2.00 mm. 
Reddish yellow, immaculate but the abdomen crossed by six transverse 
black stripes, all complete; tip of ovipositor and center of face also black. 
Scutellum with four grooved lines, the propodeum with a short median 
carina flagellum dusky, the scape and pedicel concolorous. Funicle 
joints cylindrical ovate. 
From one specimen, similarly magnified. 
c? : Not known. 
Described from a single female captured by sweeping foliage 
and grass in the forest, April 5, 1913. 
Habitat: Australia — -Nelson (Cairns), Queensland. 
T}^pe: In the Queensland Museum, Brisbane, on a slide. 
OMPHALINI 
Genus Closterocerus Westwood 
1. Closterocerus saintpierrei new species. 
$ : Length, 1.75 mm. 
Brilliant metallic blue-green, the abdomen much darker, coppery but 
at base like the thorax. Tibiae and tarsi dusky pallid, the legs otherwise 
and the antennae black with metallic luster. Punctate-shagreened, the 
propodeum with a median carina. Fore wings bifasciate, the first fascia 
V-shaped, its apex distad and central; the fascia leaving at the apex of the 
marginal vein; the second fascia around the distal margin and rather nar- 
row; also in the middle of the blade a blotch which projects into the angle 
formed by the two arms of the first fascia. Marginal fringes short. An- 
tennae short, compressed fusiform, 8-jointed, the club 3-jointed, the small 
third joint terminating in a spur; pedicel longer than any following joints. 
Ring-joint apparently absent; it would make the eighth joint if present. 
From one specimen, similarly enlarged. 
cf : Not known. 
Described from a single female captured by sweeping the edges 
of jungle near Nelson (Cairns) N. Q., April 5, 1913. 
Habitat: Australia — -Nelson, Queensland. 
