59. XYLOTA CONFORMIS, n. s., fœm. Ænea, capite femoribusque chalybeis, antennis fulvis, thorace testaceo-bivittato, abdominis fasciis duabus latis interruptis pedibusque testaceis, alis subcinereis. _Female._ Æneous. Head chalybeous, with whitish tomentum in front, with short white hairs beneath. Proboscis black. Antennæ tawny; arista bare. Thorax with two testaceous tomentose stripes. Pectus with a testaceous band on each side. Abdomen with two broad interrupted testaceous bands. Legs testaceous; femora chalybeous; tarsi with brownish tips. Wings slightly greyish; veins black; stigma brown. Halteres testaceous. Length of the body 5 lines; of the wings 10 lines. Singapore. Gen. MILESIA, _Latr._ 60. Milesia macularis, _Wied. Auss. Zweifl._ ii. 107. 5. Singapore. Inhabits also Java. 61. Milesia Reinwardtii, _Wied. Auss. Zweifl._ ii. 104. 1. Singapore. Inhabits also Java. 62. MILESIA VESPOÏDES, n. s., mas. Atra, verticis maculâ trigonâ testaceâ, abdominis fasciâ latissimâ luteâ, femoribus posticis extùs apices versus ferrugineis, alis fuscis apice luridis margine postico cinereis. _Male._ Deep black. Head with a minute elongate-triangular testaceous spot on the vertex; fore part and humeral calli shining. Abdomen partly clothed with black hairs, with a very broad luteous band which occupies rather more than half the hind part of the 2nd segment and the fore half of the 3rd. Hind femora ferruginous on the outer sides towards the tips. Wings dark brown, lurid towards the tips, grey along the hind border. Halteres pale testaceous. Length of the body 11 lines; of the wings 22 lines. Singapore. Gen. SYRPHUS, _Fabr._ 63. SYRPHUS CONSEQUENS, n. s., mas et fœm. Luteus, vertice nigro, antennis nigro-vittatis, thoracis disco chalybeo, abdominis fasciis quatuor atris, femoribus posticis apice necnon tibiis tarsisque posticis nigris, alis subcinereis apud costam subfuscis. Closely allied to _S. ericetorum_.—_Male and Female._ Pale luteous. Head black and shining on the vertex by the antennæ, pale testaceous in front. Proboscis tawny. Antennæ tawny, with a black dorsal stripe; arista black. Disk of the thorax chalybeous. Abdomen with four deep black bands on the hind borders of the segments. Hind tibiæ, hind tarsi, and tips of hind femora black. Wings slightly greyish, with a brown tinge along the costa; veins black. Halteres pale testaceous.—_Female._ Vertical callus capitate. Length of the body 4½–5½ lines; of the wings 10–12 lines. Singapore and Mount Ophir. 64. SYRPHUS DUPLEX, n. s., mas et fœm. Chalybeo-niger, gracilis, antennis maris piceis fœminæ fulvis, abdominis fasciis tribus interruptis testaceis, femoribus anterioribus testaceis apice nigris, posticis basi testaceis, alis subcinereis.