18 me. walker's catalogue oe dipterous insects 



Gen. Xylota, Meigen. 



59. Xylota conpormis, n. s., fcem. iEnea, capite femoribusque chalybeis, 

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

 interruptis pedibusque testaceis, alis subcinereis. 



Female. iEneous. Head chalybeous, with whitish tomentum in front, with 

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

 bare. Thorax with two testaceous tomentose stripes. Pectus with a testa- 

 ceous 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. Mile sia, Latr. 



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

 Singapore. Inhabits also Java. 



61. Milesia Eeinwardtii, Wied. Auss. Zweifl. ii. 104. 1. 

 Singapore. Inhabits also Java. 



62. Milesia yespoides, n. s., mas. Atra, verticis macula trigona testace&, 

 abdominis fascia latissima lutea, femoribus posticis extus 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, Fair. 



63. Syrphus consequens, n. s., mas et fcem. Luteus, vertice nigro, antennis 

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

 ribus 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 antennae, pale testaceous in front. Pro- 

 boscis tawny. Antennae 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, 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 4|-5| lines ; of the wings 10-12 lines. 



Singapore and Mount Ophir. 



64. Syrphus duplex, n. s., mas et fcem. Chalybeo-niger, gracilis, antennis 

 maris piceis fceminae fulvis, abdominis fasciis tribus interruptis testaceis, 



