298 SYRPHID^. 



3. omatus, Mg. zw. iii. 298. 37 (1822); Mq. ; Ztt. ; Gmtl.— 

 fest'wiis var., Fin. Niger, thoracis lateribus scutelloque flavis, alis 

 subcinereis, abdomine tlavo-fasciato, pedihus Jlavis, femoribus posticis 

 apice nigris, llbiis liodicls fusco-chicUs. Long. 3^-5 ; alar. 7-10 lin. 



Black. Head yellow or luteous in front. Antennfc ferruginous. 

 Thorax with a yellow stripe on each side ; scutellum yellow towards 

 the hind border ; pectus with a narrow transverse yellow spot on each 

 side. Wings slightly tinged with grey, tawny along the fore border 

 fi'om the base to the middle, where there is a short dark brown stripe. 

 Halteres brown, with yellow knobs. Abdomen with four broad yellow 

 interrupted bands ; the first very broad, forming a triangular yellow 

 spot on each side ; under side with entire bands. Lec/s yellow ; coxa 

 black ; Jdnd femora with black tips ; hind tibiae and hind tarsi tawny ; 

 a slight hroron band, on each hind tibia. Fern. Head with a black stripe 

 in front. 



Not very common. (E.) 



Genus XXVIII. MELITHREPTUS. 



Melithkeptus, Lw. btrg. Musca p., L. ; lira. ; Dg, ; Shr. ; Spl. 

 Syrphus p., Fb. s. i. ; LI. ; Mg. Scceva p., Fb. s. a. ; Fin. Sp)h(e- 

 rophoria, St. F. et Srv. ; Ztt. ; Edn. 



Corpus angtistum, fiavo-pictum. Eplstoma vix elongatum, ad as promi- 



nens. Aniennce capitis latitudhie conjimctim breviores, hasi disjunctcB ; 



articulus quartus dorsalis ; qidntus subnudus. Alee areolis discali et 



subapicali margine posteriore fere (equallter remotis et iUl parallelisy 



areola siibajncali integra, lobo axdlari dlstincto, veuis subcostali et 



radiali ad marginem disjmictis, vena transversa prcBbrachiali ante 



areola: discalis medium locata. Abdomen segmentis sepiem conspicuis. 



Mas. Ocidi connexi. Abdomen longum, cylindricmn. Fmm. Oculi 



modice remoti. Abdomen brevius, depressum. 



Body slender, rather small, almost bare. Head, sides of the thorax, 



scutellum, bands or spots of the abdomen, and legs, yellow. Head 



semicircular. Epistoma but little elongated horizontally, protitberant 



towards the mouth. Antenn/B 5 -jointed, porrect, nutant, jointly shorter 



than the breadth of the head, separated at the base; first and second 



joints small ; third almost round ; fourth veiy small, seated on the base 



of the third; fifth setiforin, almost bare. Wings rather short and 



narrow ; flight feeble ; discal and subapical areolets nearly eqiddistant 



from and parallel to the posterior margin ; subapical areolet entire ; 



axillary lobe distinct ; subcostal and radial veins ending separately in the 



margin ; transverse prabrachial vei7i placed before the middle of the 



discal areolet. Alulte small. Halteres uncovered. Legs slender. 



Male. Eyes connected. Abdomen long, cylindrical. Fern. Eyes 



parted. Abdomen shorter, depressed. 



