MR. WALKER S CATALOGUE OF DIPTEKOUS IXSECXa 



and nol longer than the thorax. Legs testaceous ; posterior femora ])iceou» 

 above. Wings cinereous ; veins and haUeres brown. Lengtli of the bodv 

 2^ lines ; of the wings 44 lines. 

 Singapore. 



Gen. EuDMETA, WieJ. 



16. Eudmeta marginata, Fahr. Si/st. Aiitl. 63. 3. (Hermetia.) 

 Singapore. Inhabits also Java, Sumatra, and Huidostan. 



Gen. Massicyta, n. g. {Plate I.Jj)/. 1.) 



Corpvs longiuseulum, sat angu.-tum. Caput transvorsum, breve, l^iorace vix 

 latius. Antenna graciles, thoi-ace paullo breviores; articulus 1"" linearis ; 

 2"' longi-fusiformis, 1° vix longior; 3"^ acuminatus, minimus. Thorax 

 longi-ellipticus. Ahdomen obclavatuni, subpetiolatum, thorace plus dupl6 

 longius. Pedes graciles. Alee elongatte, sat angustse. 



Body rather long and narrow. Head transverse, short, veiy httle broader 

 than the thorax. Antennae slender, a little shorter than the thorax ; 

 1st joint linear ; 2nd elongate fusiform, very httle longer than the 1st ; 

 3rd acummated, very muiute. Thorax elongate eUiptical. Abdomen ob- 

 clavate, subpetiolated, a little more than twice the length of the thorax. 

 Legs slender. Wuigs rather long and narrow; mediastinal, subcostal, 

 rachal and cubital vems, and median veinlet of the visual structure ; 1st, 

 2nd and 4th externo-medial vems complete ; ord abbreviated ; subanal 

 jouamg the anal at some distance from the border ; discal areolet u-regularly 

 hexagonal, elongated, narrower towards the tip of the ^^uig. 



17. Massicyta bicoloe, u. s., fcem. IS^igra, antennis basi testaceis apice 

 albis, pectore scutelloque flavis, illo nigro bmiaci-dato, abdomme testaceo 

 fasciato, pedibus flavis, femoribus anterioribus tibusque posticis fusco 

 fasciatis, femoribus posticis nigris, ahs cinereis, apud costam subluridis. 



Female. Black, shiuing, with testaceous pubescence. Mouth testaceous. An- 

 tennae testaceous towards the base, wliite at the tips. Pectus and scntellum 

 yellow, the former with a large black spot on eacli side. Abdomen with 

 testaceous bands. Legs yellow ; hind femora black ; anterior femora and 

 liind tibia; with brown bands. Wings grey, with a shght lurid tinge along 

 the costa ; veins black. Haltcres pale yellow. Length of the body 6-7 lines ; 

 of the wings 10-12 lines. 



Singapore. 



Gen. Saegus, Fahr. 



18. Sargus longipennis, Wied. Auss. Zweifi. ii. 34. 11. 

 Malacca. Inhabits also Java. 



19. Saegus LUBIDIJS, n. s., mas. Ferrugineus, capite pectoreque testaceis, 

 antennis fulvis, abdominis segmentis testaceo-fasciatis, apice nigro, pechbus 

 testaceis, tibus posticis apice nigris, tarsis posticis nigris apice albichs, alis 

 luridis apice fuscis. 



Male. FeiTugmous. Head and pectus testaceous. Antennae tawny. Ab- 

 domen black towards the tip ; a testaceous band on the liind border of each 



