18 ME. walker's catalogue oe dipterous insects 



Gren. Xylota, Meigen. 



59. Xtiota CONfoemis, n. s., foem. JEiiea, capite fcmoribusque chalybeis, 

 antennis fulvis, thorace testaceo-bivittato, abdominis fasciis duabus latis 

 iiiterriiptis pedibusqiie testaceis, alis subcinereis. 



Female. jEneous. Head clialybeous, witb whitish tomentum in front, with 

 short white hairs beneath. Proboscis black. Antennae tawny ; arista 

 bare. Thoi'ax -with two testaceous toruentose stripes. Pectus with a testa- 

 ceous band on each side. Abdomen with two broad mterrupted testaceous 

 bands. Legs testaceous j femora chalybeous ; tarsi with brownish tips. 

 Wmgs shghtly greyish ; veins black ; stigma brown. Halteres testaceous. 

 Length of the body 5 lines ; of the wings 10 lines. 



Singapore. 



Geu. Mile SI A, Latr. 



60. Milesia macularis, Wied. Auss. Ziveifl. ii. 107. 5. 

 Singapore. Inhabits also Java. 



61. Milesia Keiawardtii, Wied. Auss. Zweifl. li. 101. 1. 

 Singapore. Inhabits also Java. 



62. Milesia vespoides, n. s., mas. Atra, verticis macula trigona testacea, 

 abdominis fascia latissima lutea, femoribus posticis extiis apices versus 

 ferrugmeis, ahs 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 sliinmg. Abdomen partly 

 clothed with black haii's, with a veiy broad luteous band whicli 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 bro^vn, kmd towards the tips, grey along the hmd border. 

 Halteres pale testaceous. Length of the body 11 lines ; of the wings 22 hues. 



Smgapore. 



Gen. Strphus, Fair. 



63. Syephtts consequens, n. s., mas et foem. Luteus, vertice nigro, antennis 

 nigro-vittatis, thoracis disco chalybeo, abdominis fasciis quatuor atris, femo- 

 ribus posticis apice necnon tibris tarsisque posticis nigris, alis subcinereis 

 apud costam subfuscis. 



Closely aUied to S. ericetorum. — Male and Female^ Pale luteous. Head black 

 and shining on the vertex by the antennce, pale testaceous in front. Pro- 

 boscis tawny. Antennse 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 tibiae, liind tarsi, and tips of 

 hind femora black. Wings shghtly greyish, with a brown tinge along 

 the costa ; veins black. Halteres pale testaceous. — Female. Vertical callus 

 capitate. Length of the body 41-5^ hues ; of tlie wings 10-12 lines. 



Singapore and Mount Ophir. 



64. Syrphus duplex, n. s., mas ct foem. Chalybeo-niger, gi-acdis, antennis 

 maris piceis fa?mhix fulvis, abdominis fasciis tribus interruptis testaceis, 



