_Hab._ Malacca, Celebes. Genus LARRADA, _Smith_. 1. Larrada aurulenta, _Smith, Cat. Hym. Ins._ pt. iv. 276. 6. Sphex aurulenta, _Fabr. Mant._ i. 274. 10. _Hab._ India, Java, Sumatra, Celebes, Philippine Islands, China, Cape of Good Hope, Gambia. 2. Larrada exilipes, _Smith, Cat. Hym. Ins._ pt. iv. p. 278. 3. LARRADA AEDILIS. _L._ nigra; facie argenteo-pilosa, alis subhyalinis, articulis apicalibus tarsorum rufo-testaceis, abdomine laevi et nitido. _Female._ Length 5-1/2 lines. Black; head and thorax subopake, the abdomen shining; the face densely covered with silvery pile, the cheeks, sides of the thorax and abdomen thinly so; the tips of the mandibles and apical joints of the tarsi ferruginous, the latter obscurely so. The metathorax transversely and rather finely rugose, the truncation more strongly striated; the scutellum shining; the wings subhyaline, the nervures ferruginous; the tibiae with scattered spines, the tarsi spinose. 4. LARRADA AURIFRONS. _L._ nigra; facie mesothoracis metathoracisque lateribus aurato pubescentibus, abdominis marginibus segmentorum trium basalium argentato piloso fasciatis; alis fuscis. _Male._ Length 8 lines. Black; the face and outer orbits of the eyes clothed with golden pile; the lateral margins of the mesothorax and the metathorax thinly clothed with golden pile; wings dark fuscous with a violet iridescence; the three basal segments of the abdomen with fasciae of silvery pile. _Hab._ Celebes. 5. LARRADA PERSONATA. _L._ capite thoraceque nigris, abdomine ferrugineo. _Female._ Length 8-1/2 lines. Head, thorax, and legs black; the two former closely punctured and thinly covered with short cinereous pubescence; the metathorax with the punctures running into transverse striae in the middle; the sides of the thorax and the legs with a fine silky silvery-white pile; the tibiae and tarsi strongly spinose; wings fusco-hyaline; abdomen entirely red, smooth and shining. The _male_ is smaller, and has the four apical segments of the abdomen black, the face, cheeks, and apical margins of the segments of the abdomen with silvery pile. _Hab._ Celebes. This is probably merely a variety of _L. simillima_, wanting the black apex to the abdomen; it very much resembles the L. _anathema_ of Europe. 6. LARRADA RUFIPES. _L._ nigra, mandibulis pedibusque rufis; alis hyalinis, venis pallide testaceis; abdomine sericeo-piloso.