288 



SYRPHID.E. 



along each side ; scutellum dingy yellow. Wings almost colourless 

 stigma lurid. Alula3 white. Halteres yellow, with luteous knobs. 

 Abdomen fusiform, clothed with short black hairs, and on each side of 

 the base with long pale hairs, adorned with four luteous bands which are 

 oblique at each end ; first band interrupted ; second and third notched on 

 the hind borders ; fourth with a black disc or wholly divided. Legs 

 luteous ; anterior tarsi ferruginous ; hind tarsi piceous. 

 Generally distributed. (E. S. I.) 



5. vitripennis, Mgrle.; Mg. zw. iii. 308. 50 (1822); Mq. ; Ztt. ; 

 Lw. confinis, Ztt. Viridi-a3neus, antennis piceis subtus ferrugineis, ab- 

 domine nigro fasciis quatuor rectis subangustis prima interrupta secunda 

 et tertia lemter emarginatis pedibusque luteis, femoribus basi nigris, tibiis 

 posticis piceo-cinct'is. Long. 5-5^; alar. 10-11 lin. 



Head luteous ; vertex aBneous. Antenna piceous, ferruginous be- 

 neath. Thorax ameous-green ; scutellum yellow, clothed with black 

 hairs. Wings colourless ; stigma pale brown. Alulse yellowish-white. 

 Halteres yellow. Abdomen black, fusiform, clothed with black hairs, 

 adorned with four luteous bands, which are clothed with tawny hairs ; 

 Jirst band interrupted ; second and third notched on the hind border, ob- 

 lique at each end ; fourth more or less divided by a narrow black band. 

 Legs luteous femora black at the base ; hind femora black ; hind tibia 

 with piceous bands ; tarsi ferruginous ; hind tarsi piceous. 



Generally distributed. (E. S.) 



6. bifasciatus, Fb. e. s. iv. 305. 101 (1781) ; Pin. ; Mg. ; Ahr. ; 

 Mq. ; Lw. ; Ztt. interruptus, Gm. Viridi-asneus, antennis 



subtus ferrugineis, abdomine nigro fasciis duabus pedibusque 



piceis 

 luteis. 

 Long. 4^-5 ; alar. 10-11 lin. 



Head yellow, with a black stripe above the peristoma ; vertex aaneous- 

 green. Antennae piceous, ferruginous beneath ; fourth joint ferru- 

 ginous towards the base. Thorax aBneous-green ; scutellum tawny 

 with an a3neous-green tinge. Wings colourless ; stigma lurid. Alula? 

 white, with yellow borders. Halteres luteous. Abdomen black, fusi- 

 form, adorned with two luteous bands ; the first broad and interrupted ; 

 the second narrow and entire. Legs luteous ; hind tarsi brown. 



Generally distributed. (E. S. I.) 



7. luniger, Mg. zw. iii. 300. 40 (1822); Mq.; 7At.arcuata 

 var., Fin. Yiridi-aeneus, antennis nigris articulo tertio subtus ferru- 

 gineo, abdomine nigro fasciis tribus latis arcuatis interruptis pedibusque 

 luteis, femoribus basi nigris. Long. 5 ; alar. 10 lin. 



Head yellow, with a short piceous stripe above the peristoma. An- 

 tenna black ; third joint ferruginous beneath. Thorax aBneous-green ; 

 scutellum asneous-tawny. Wings pale grey; stigma pale brown. 

 Alula? whitish, with yellow borders. Halteres tawny. Abdomen fusi- 

 form, black, adorned with three luteous spots on each side ; the first pair 

 less lunular than the second or the third; a ferruginous spot on each 



