INSECUTOR INSCITI^ MENSTRUUS 145 



make fine rugulosity), an oval spiracle of moderate size and 

 cephalad with a foveate sulcus from it (the lateral margin of 

 the sulcus a ruga-carina) ; no true lateral carina nor distinct 

 neck. Abdomen narrower than the thorax, conic-ovate, 

 pointed, the hypopygium prominent distad and covering the 

 curved-up naked ovipositor; base of abdomen rimmed, the 

 petiole transverse. Segment 2 of abdomen occupying some- 

 what over half the surface, gently incised at meson caudad, 

 the others short but unequal, 3 longer than the others. Mar- 

 ginal vein linear but somewhat shorter than the submarginal, 

 the stigmal short, with a distinct curved neck, the postmarginal 

 slightly longer than it and thickened a little. Legs simple, the 

 hind coxje long. A peculiar chalcid. 



Amiscogaster ruskini, new species. Genotype. 



Female. — Length, 1.05 mm. Shining black, the head and 

 thorax hispid hairy but not densely, the abdomen glabrous; 

 scape, pedicel above and the legs (except proximal half of 

 hind femur and the base of the hind coxa) whitish. Wings 

 hyaline. Funicles 1-2 subequal, each a third longer than wide, 

 7 a little shorter. Fore wings with dense discal cilia. 



From two females in the U. S. National Museum reared 

 from a species of Icerya, February, 1901 (G. Compere). 



Habitat: Columba, New South Wales, and as above. 



Types: Cat. No. 12729, U. S. Nat. Mus., the females on tags, 

 a head, fore wing and caudal tibia on a slide. This is the 

 Parasaphes iceryce Ashmead MS. 



Dibrachys australia, new species. 



Female. — Length, 0.70 mm. Dark, metallic green, the 

 wings subhyaline, the scape, legs (except the coxae and the 

 femora above more or less) and the venation brownish. Body 

 scaly-punctuate, finely so, the abdomen subglabrous. Clypeus 

 produced, acutely incised at meson of apex and so divided 

 into two equal, truncate, subquadrate teeth, divided at apex 

 by a slit. Propodeum tricarinate, its neck short, no spiracular 

 sulcus, the spiracle oblique, small, elliptical, a short distance 

 from the margin. Segment 2 of the depressed abdomen long- 



