Catalogue of the dipterous insects collected at Singapore and Malacca

by Alfred Russel Wallace

Mount Ophir. Inhabits also Ceylon and Sumatra.

Gen. Ommatius, Illiger.

44. Ommatius Pennus, Walk. Cat. Dipt. pt. 2. 469. Malacca. Inhabits also Sumatra, Borneo, and Corea.

45. Ommatius Hecale, Walk. Cat. Dipt. pt. 2. 476. Singapore.

46. Ommatius gracilis, n. s., mas. Nigro-fuscus, facie atrâ, thoracis lateribus pectoreque canis, pedibus fulvis, femoribus tibiisque apice tarsisque nigris, alis sublimpidis apice cinereis.

Male. Blackish-brown. Face flat, deep black. Proboscis black, rather slender, slightly lanceolate. Antennæ black. Pectus and sides of the thorax hoary. Abdomen dull black. Legs tawny; tarsi and tips of the femora and of the tibiæ black. Wings nearly limpid, dark grey towards the tips; veins black. Halteres testaceous. Length of the body 6 lines; of the wings 10 lines.

Mount Ophir.

Fam. LEPTIDÆ, Westw.

Gen. Leptis, Fabr.

47. Leptis decisa, n. s., mas. Nigra, capite albo, antennis testaceis basi nigris, thoracis callis testaceis, vittis duabus pectoreque canis, abdomine testaceo, vittâ dorsali fasciisque nigris, femoribus testaceis apice nigris, alis sublimpidis fasciâ apiceque fuscis.