4. ODYNERUS FULVIPENNIS. _O._ niger, flavo varius, pedibus ferrugineis, alis fulvo-hyalinis. _Male._ Black; head and thorax closely and strongly punctured; the clypeus and two spots above, a line along the lower margin of the sinus of the eyes, a narrow line behind them, the scape in front, and the mandibles yellow; the tips of the latter rufo-piceous; the antennae and legs ferruginous; an interrupted yellow line on the anterior margin of the thorax; the wings fulvo-hyaline; the veins which enclose the marginal and second and third submarginal cells fuscous, the rest pale testaceous; a fuscous cloud in the marginal cell. Abdomen: the apical margin of the second segment with a yellow fascia, the following segments with red fasciae. _Hab._ Celebes. Genus ICARIA, _Sauss._ 1. Icaria ferruginea, _Sauss. Mon. Guepes Soc._ p. 37. 15. _Hab._ India, Celebes. 2. ICARIA PILOSA. _I._ nigra, rude punctata et densissime pubescens, clypeo flavo, thorace, pedibus abdomineque ferrugineo variegatis; alis subhyalinis, anticis apice fusco maculatis. _Male._ Length 7-1/2 lines. Black; closely and strongly punctured; the clypeus, a line on the mandibles, and the scape in front, yellow; tips of the mandibles, the scape above, and the base of the flagellum ferruginous. Thorax: the prothorax, scutellum and postscutellum, ferruginous; the tegulae and legs pale ferruginous, the coxae black; wings fusco-hyaline, with a dark cloud in the marginal cell extending to the apex of the wing; a fainter cloud traverses the margin of the wing to its base. Abdomen: the first, second and third segments with a reddish-yellow fascia, that on the second segment continued beneath; a longitudinal broad stripe of the same colour on each side of the second segment; its apical margin serrated. _Hab._ Celebes. Genus POLISTES, _Latr._ 1. Polistes sagittarius, _Sauss. Mon. Guepes Soc._ p. 56. 12. Various specimens from Greece and Celebes have the thorax more or less ferruginous. _Hab._ India, Celebes, China, Greece. 2. Polistes Picteti, _Sauss. Mon. Guepes Soc._ 69. 28. t. 6. f. 8. _Hab._ Ceram, Australia, Celebes. 3. Polistes fastidiosus, _Sauss. Mon. Guepes Soc._ p. 60. 18. _Hab._ Africa (Gambia), Celebes. 4. Polistes stigma, _Fabr. Syst. Piez._ p. 261. 41. _Hab._ India, Ceram, Celebes. 5. Polistes Philippinensis, _Sauss. Mon. Guepes Soc._ 58. 14 (var.). _Hab._ Philippine Islands. Genus VESPA, _Linn._ 1. Vespa affinis, _Fabr. Syst. Piez._ p. 254. 6 (var. _V. cincta_?). _Hab._ India, China, Singapore, Celebes. 2. VESPA FERVIDA. _V._ nigra, delicatule punctata; clypei margine antica, macula pone oculos, margineque postica segmenti primi abdominis flavis; alis fulvo-hyalinis.