AUSTRALIAN HYMEN OPTERA CHALCIDOIDEA, VI.—GIRAULT. 
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Genus PACHYNEURONELLA Girault. 
Differing from P achy neuron Walker in bearing but eleven antennal joints with two ring- 
joints, the funicle 4-jointed; petiole of abdomen extremely short; flagellum short and clavate, 
the funicle joints transverse; seutellum simple. Propodeum very short, noncarinate. Man- 
dibles tridentate, the third tooth broadly concavely truncate. Marginal vein about twice longer 
than wide, the postmarginal vein a mere spur, the stigmal also very short, merely a minute- 
knob on a very short petiole, not half the length of the marginal which widens distad. Abdomen 
conic-ovate, convexed ventrad near base. 
1. PACHYNEURONELLA VIRIDXS Girault. Female. Genotype. 
Dark metallic green, the abdomen very dark; wings clear; legs concolorous, the tibhe 
dusky, the tarsi pale. Body with very fine velvety sheening as in Tetrastichus. Pedicel short 
but longer than any of the funicle joints; proximal club joint equal to half of the club. 
Habitat: Adelaide, South Australia. 
Type: No. 1.1338 , South Australian Museum, Adelaide. 
Subfamily DIPARINJE. 
Genus PANSTENON Walker. 
1. PANSTENON AUSTRALIS Girault. Female, male 
Brown-black, the head and thorax washed with metallic green, the abdomen and all 
of legs brownish; fore wings slightly embrowned; antennae concolorous with the head. Head 
and thorax with a fine polygonal sculpture, the propodeum with a network of interlacing 
carinso; a long, irregular carina later ad of the spiracle. 
The male is the same but the pronotum is brownish, the distal two thirds of abdomen 
dusky. 
Habitat: Cairns, Queensland. Forest bog. 
Types: No. Hy 1985, Queensland Museum. 
2. PANSTENON AUSTRALIENSIS rew species. 
Female: — Length, 1.25 mm. Slender. 
Somewhat like australis but smaller and more slender, the wings hyaline and the body 
dark shining metallic black-green suffused with brownish, the legs pale brownish including 
the coxae, much of the femora concolorous. Antennae wholly black, scape and pedicel somewhat 
lighter. Thorax reticulated, the propodeum rugose. Antennae with all the funicle joints 
subequal and longer than wide. Both mandibles 4-dentate. Propodeal spiracle exceedingly 
minute, round, the carina laterad of it obscure or absent. 
Male : — Not known. 
Described from one female specimen captured by sweeping jungle growth along a forest 
stream, June 29, 1913. 
Habitat: Nelson (Cairns), Queensland. 
Type: No. Hy 1986, Queensland Museum, the above specimen on a tag, the head and hind 
legs on a slide. 
