AUSTRALIAN HYMEN OPTERA CHALCIDOIDEA , VI.— GIB AULT. 
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Tribe SPHEGIGASTERINL 
Genus SYNTOMOPUS Walker. 
1. SYNTOMOPUS AUSTRALIEN3IS Girault. Female. 
Ve}?y dark metallic green, the legs except the coxa? and antenna? pale straw yellow, the 
wings hyaline; scute! him without a cross-furrow, Venation very pale, the long postmarginal’ 
vein nearly equal to the marginal, the stigmal long but shorter than the postmarginal. Both 
mandibles 4-dentate, the two inner teeth equal. Most of the funicle joints longer than wide. 
Pronotum long but not especially so. Antenna? 13-jointed with two ring-joints. Vertex not 
narrow. 
Habitat: Kuranda and Nelson, Queensland. Jungle. 
Type: No. Hy 1964, Queensland Museum. 
Genus PTEROSEMELLA Girault. 
Differing from Pterosema Foerster in bearing three ring-joints in the antenna?. Mandibles 
4-dentate. Pronotum transverse. Scutellum simple. Propodenm tricarinate, reticulated. 
Petiole of abdomen not quite as long as the hind coxa?, the second segment very long, occupying 
three fourths of the surface, its distal margin straight; segment 3 much shorter. Postmarginal 
vein three fourths the length of the marginal, the stigmal two thirds the length of the long 
postmarginal. Clypeus bidentate. 
1. PTEROSEMELLA VIRXDIS Girault. Male. Genotype. 
Bright metallic green, the abdomen black suffused with brownish, the legs straw yellow,, 
the coxa? more or less metallic greenish later ad. Polygonally reticulate-punctate, the abdomen 
smooth and shining, finely reticulated distad. Wings hyaline. 
Habitat: Queensland. 
Types : No. Hy 1965, Queensland Museum. 
Host: Eggs of Antherea simplex. 
Genus SPIIEGIGASTEROTDES Girault. 
Differing from Pterosema Foerster in having but one ring-joint, the mandibles only 
bidentate, the second tooth broad, the hind tibia? compressed toward tip, the body nonmetallic 
and particolored, the fore wings colored. Petiole of abdomen short and stout, the second 
segment not occupying more than a third of the surface, its caudal margin incised at meson. 
Propodeum rugnJose, the spiracle oval, tricarinate, the median Carina also with two irregular 
carina? on each side of it. Stigmal and postmarginal veins subequal, about half the length of 
the marginal. Funicle 1 subequal to the pedicel. 
1. 3PHEGIGASTEROIDES RUFINOTUM Girault. Female. Genotype. 
Shining black, the pro- and mesothorax and the head rufous, also the scape. Fore wings 
with a large smoky blotch under the marginal vein which extends more than half way across 
the wing and conically distad beyond the stigmal vein. Head and thorax finely punctate. 
Habitat: Sydney, New South Wales. 
Type: No. 7. 1250, South Australian Museum, Adelaide. 
