_Female._ Blue. Head gilded in front, vertex and hind part silvery; mystax with six black bristles; third joint of the antennae very long, subfusiform; pectus silvery; abdomen purplish blue, shorter than in the preceding species, with silvery spots along each side; wings grey, slightly grey towards the base; halteres white. Length of the body 3-1/2 lines; of the wings 7 lines. 33. LAPHRIA FLAGRANTISSIMA, n. s. _Mas._ Rufescente-cervina, capite aurato, antennis pedibusque rufescentibus, thorace vittis tribus latissimis (lateralibus abbreviatis) pectoreque nigricantibus, alis lutescentibus, plaga postica interiore fasciaque latissima exteriore nigricantibus. _Male._ Reddish fawn colour. Head gilded; mystax with numerous gilded bristles; mouth lanceolate, very stout; antennae reddish, third joint long, lanceolate, abruptly acuminated at the tip; thorax with three very broad blackish stripes; disk of the pectus black; abdomen with the segments darker towards the base, underside black towards the tip; legs reddish, stout; tarsi with black bands beneath; wings somewhat luteous, with a large blackish patch on the hind border near the base, and with a very broad blackish band near the tip; halteres testaceous. Length of the body 11 lines; of the wings 22 lines. 34. LAPHRIA JUSTA, n. s. _Mas._ Lutea, capite aurato, ore, antennis apice, thoracis maculis duabus posticis, pectore, abdominis fasciis latis femoribusque nigris, alis cinereis, apud costam luridis. _Male._ Luteous. Head gilded; mystax with numerous gilded bristles; mouth short, black; antennae reddish tawny, third joint lanceolate, black except at the base; thorax with the disk somewhat darker, two large black spots hindward; pectus black; abdomen linear, with a broad black band on the fore border of each segment; femora black above except at the tips, hind femora black also beneath; wings greyish, slightly clouded with dark grey, lurid along the costa for three-fourths of the length; halteres testaceous. Length of the body 8 lines; of the wings 14 lines. 35. LAPHRIA MANIFESTA, n. s. _Mas et Foem._ Fulva, capite argenteo (mas) aut pallide aurato (foem.), antennis apice nigris, thoracis disco et abdominis maculis subtrigonis subaeneo-ferrugineis, scutello quadrisetoso, alis subcinereis. _Male and Female._ Tawny. Head silvery in the male, pale-gilded in the female; mystax with several slender bristles; mouth lanceolate; third joint of the antennae very elongate-subfusiform, black towards the tip; disk of the thorax and nearly triangular dorsal spots of the abdomen ferruginous with a slight aeneous tinge; pectus testaceous, slightly silvery; wings slightly greyish; veins black, testaceous at the base, where the wings also have a testaceous tinge; halteres testaceous. Length of the body 4-1/2--5 lines; of the wings 8-9 lines. 36. LAPHRIA APERTA, n. s. _Foem._ Testacea, capite subargenteo, antennis abdominisque apice nigris, alis nigricantibus basi limpidis, halteribus albidis.