3. BRACON NIGRIPENNIS. _B._ thorace, pedibus anticis et intermediis, femoribusque posticis ferrugineis; tibiis tarsisque posticis et abdomine nigris; alis nigro-fuscis; capite luteo-testaceo. _Female._ Length 9 lines. Head testaceous, the antennae black. Thorax, anterior and intermediate legs, the posterior coxae, trochanters and femora, the tegulae, extreme base of the wings, and the base of the stigma ferruginous; the thorax smooth and shining; the wings brown-black, with a small hyaline spot in the first submarginal cell. Abdomen longitudinally aciculate, a central carina at the base of the first segment, the second segment with an oblique impressed line running from the lateral angles of its basal margin, and meeting in the centre of its posterior margin; the margins of all the segments constricted; the ovipositor shorter than the abdomen. _Hab._ Aru. 4. BRACON EXOLETUS. _B._ niger; capite, thorace, pedibus anterioribus et intermediis ferrugineis; alis subhyalinis. _Female._ Length 5 lines. Head, scape of the antennae, thorax, anterior and intermediate legs, ferruginous; flagellum and tips of the mandibles black. Thorax smooth and shining; wings fusco-hyaline, the nervures dark brown; the posterior legs fusco-ferruginous. Abdomen rugose and subopake; the basal segment black in the middle, with the base and lateral margins ferruginous, the sides deeply channeled; the second segment with an arrow-headed shining space in the middle of its base; the ovipositor shorter than the abdomen. _Hab._ Aru. 5. BRACON ABDOMINALIS. _B._ rufo-flavus; antennis fuscis; alis subhyalinis; abdomine ovato. _Female._ Length 3 lines. Reddish yellow; head and thorax smooth and shining; the head narrower than the thorax; wings fusco-hyaline; abdomen ovate, broader than the thorax, the first and second segments rugose, with deep sculptured impressions; the second segment has an ovate shining space in the middle at its basal margin; the third segment is deeply depressed and sculptured at the base, leaving a transverse arched space at its apex, the width of the entire segment; the following segments have their margins very deeply depressed. _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.