AUSTRALIAN HYMEN OR TERA CHALCIDOIDEA . VI.— G IRA ULT. 
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1. TEROBIELLA FLAVIFRONS Ashmead. Female. Genotype. 
Mostly black, polished, impunctate; vertex and temples black; face ventrad of cephalic 
ocellus, cheeks, mandibles, palpi, antenna* and tegula) brownish yellow; thorax and abdomen 
entirely black. Legs yellow, the coxa> fuscous. Wings hyaline. Scape short, subcompressed; 
pedicel subglobose; cephalolateral angles of funicle joints acute. 
Habitat: Sydney, New South Wales. Gall on Eucalyptus. 
Type: Cat. No. 4897 , United States National Museum, Washington, D.C., U.S.A. 
Genus BRACHYSCELIDIPHAGA Ashmead. 
Differs from Terobiella Ashmead in having the stigmal knob moderately large, the 
dorsal segments of the abdomen short. Marginal and postmarginal veins about equal, a third 
of the length of the submarginal, the stigmal vein a little shorter than the marginal. Flagellum 
elavate, all funicle joints wider than long. 
1. BRACHYSCELIDIPHAGA FLAVA Ashmead. Female. Genotype. 
Yellow, smooth or nearly, the wings hyaline; occiput, pronotum on cephalic face, a spot 
on scutum, one on inner angle of parapside, a large spot on middle of scutellum, sutures 
surrounding the latter and the propodeum brown-black. Abdomen dusky or brownish except 
second segment. Pedicel almost twice longer than thick at apex, much longer and stouter than 
first three funicle joints combined; funicle 1 very small, as long as thick, joint 2 also small, 
a little wider than long, the following gradually widening and lengthening. 
Habitat: Sydney, New South Wales. Associated with Brachyscelis pileata. 
Type: Cat. No. 4896 , United States National Museum, Washington, D.C., U.S.A. 
Genus ISOPLATOIDES Girault. 
Antenna) inserted slightly above the ventral ends of the eyes, 13-jointed, with two ring- 
joints, the club 3- jointed; funicle 2 longest. One mandible tridentate. Metallic. Marginal, 
postmarginal and stigmal veins long, the postmarginal three fourths the length of the marginal, 
a fourth longer than the stigmal which is slender. Propodeum short, the lateral Carinas present. 
Wings fasciate. Parapsidal furrows shallow. Abdomen conic-ovate, flat dorsad. Propodeal 
spiracle round. Scutellum simple. 
1. ISOPLATOIDES BIFASCIATUS Girault. Female. Genotype. 
Dark metallic green, the scape and tarsi fulvous, rest of legs and antenna) black or nearly. 
Knees and tips of tibia) lighter; first fuscous stripe of fore wing from base of marginal vein, 
the second from the postmarginal vein, the first lengthening caudad; the second stripe extends 
nearly to apex. Head and whole thorax densely punctate. Funicles 3-6 quadrate, 6 slightly 
wider than long; proximal club joint equal to half of that region. 
Habitat: Port Lincoln, South Australia. 
Type: No. 1.1267, South Australian Museum, Adelaide. 
2. ISOPLATOIDES BIPUSTULATUS Girault. Female. 
The same as the type species but the legs reddish brown, the antenna) suffused with 
brown; median carina of propodeum distinct, complete, also the lateral caringe; fore wings 
