Hab. Aru.
6. Bracon nitidus. B. niger; capite, thorace pedibusque et abdominis segmento primo ferrugineis, totis nitidissimis.
Female. Length 4 lines. Ferruginous, with the flagellum, second and following segments shining black; the thorax smooth and shining, with the scutellum prominent; the wings subhyaline, their apical margins clouded, their extreme base yellowish, the nervures dark brown, the stigma black. Abdomen: the second and third segments with deeply impressed oblique lines on each side, and the basal margins of the following segments depressed.
Hab. Aru.
7. Bracon pallifrons. B. niger; thorace pedibusque anticis et intermediis ferrugineis; alis fuscis.
Female. Length 6 lines. Head obscure, testaceous yellow; the eyes brown; the antennæ black. Thorax and the anterior and intermediate legs ferruginous; an ovate black spot on the metathorax; and the posterior legs black, with the articulations obscurely ferruginous; wings dark fuscous, with the nervures and stigma black, the base of the latter yellowish, and a hyaline streak beneath it, which crosses the first submarginal cell. Abdomen black and shining; the first segment with some coarse striae at the apex; the second with a central forked carina and an oblique one on each side running inwards to the apex of the segment; between the carinæ are a number of deep grooves; the lateral margins of the three basal segments carinated; the third segment has a row of short deep striæ at its base; the ovipositor longer than the body.
Hab. Aru.
8. Bracon intrudens. B. niger; thorace, pedibus anticis intermediisque et abdominis segmento basali ferrugineis; alis hyalinis.
Female. Length 5 lines. Black; the thorax, anterior and intermediate legs, the articulations of the posterior pair, and the base of the abdomen ferruginous, entirely smooth and shining; the wings subhyaline, the nervures fusco-ferruginous, an irregular fuscous stain at the base of the first submarginal cell, extending beyond it. Abdomen: the basal segment margined at the sides; the second segment with an oblique deeply impressed line running inwards, not quite meeting or extending to the apical margin.
Hab. Aru.