46. Leptis ferruginosa, Wied. See Vol. I. p. 118.
Gen. Chrysopila, Macq.
47. Chrysopila vacillans, n. s. Mas et Fœm. Lutescens, capite nigro, thorace subvittato, abdominis segmentis nigro fasciatis, alis sublimpidis apud costam flavescentibus, venis fusco latissime marginatis, stigmate nigro-fusco.
Male and Female. Lutescent. Head of the female black, shining; thorax with two brown bands which are paler and indistinct hindward; abdomen with a broad black band on each segment; tarsi blackish towards the tips; wings nearly limpid, yellowish along the costa, veins exteriorly with very broad brownish borders, stigma blackish brown. Length of the body 3½ lines; of the wings 6 lines.
Fam. BOMBYLIDÆ, Leach.
Subfam. Therevites, Walk.
48. Thereva congrua, n. s. Mas. Nigra, glaucescente albo tomentosa, albo pilosa, capite argenteo, thorace trivittato et bilineato, pedibus nigris, femoribus albis, alis cinereis stigmate elongato venisque nigris.
Male. Black, with glaucous-white tomentum and with white hairs. Head silvery in front; thorax with three blackish brown stripes, the middle one with a dark stripe on each side, broader and more distinct than the lateral pair; abdomen beneath and legs black, femora white; wings grey, with an elongated black stigma and black veins; halteres black. Length of the body 5 lines; of the wings 8 lines.
Subfam. Bombylites, Walk.
Gen. Anthrax, Fabr.