290 



band interrupted ; fourth rarely interrupted. Legs tawny, rarely 

 shaded with pale brown. 



Generally distributed. (E. S. I.) 



11. hyalinatus, Fin. syrpli. 43. 13 (1816); Mg.; Mq. ; Ztt. 

 Nigro-cupreus, antennis piceis, alis subcinereis, abdomine nigro luteo- 

 sexmaculato, pedibus piceis. Long. 5-5-J-; alar. 12-13 lin. 



Cupreous-black. Head chalybeous in front. Antennae piceous. 

 Wings slightly grey ; stigma lurid. Alulae white, with yellow borders. 

 Halteres yellow, with brown knobs. Abdomen fusiform, black, with 

 three luteous spots on each side ; the first pair of spots small ; the 

 second and third pair subquadrate, very large. Legs piceous. 



Rare. In the collection of the Entomological Club. (E, S. I.) 



12. topiarius, Mg. zw. iii. 305. 47 (1822); Ztt. Viridi-seneus, 

 antennis piceis basi et subtus pallidis, abdomine fasciis quatuor latis 

 interrupts unaque Integra pedib usque luteis. Long. 4-4; alar. 8-9 lin. 



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

 seneous-green. Antennae piceous, partly ferruginous beneath, tawny 

 at the base. Thorax aeneous-green, clothed with tawny hairs. Scu- 

 tellum tawny, sometimes tinged with green. Wings almost colourless ; 

 stigma pale brown. Alulae white. Halteres yellow. Abdomen fusi- 

 form, clothed with short black hairs, and on each side of the base with 

 long pale hairs, adorned with four broad luteous bands ; first, second, 

 and third bands interrupted ; fourth entire, its disc most often black. 

 Legs luteous ; tarsi darker. Male. Femora black towards the base. 

 Fern. Hind femora very rarely black towards the base. 



Generally distributed. (E. S. I.) 



13. tricinctus, Fin. syrph. 41. 9 (1816); Mg. ; Mq. ; Ztt. 

 Niger, abdomine fasciis duabus, secunda interrupta, maculisque quatuor 

 pedibusquefiavis. Long. 5 ; alar. 11 lin. 



Black, clothed with pale hairs. Vertex bluish-black ; epistoma with 

 a broad yellow stripe on each side. Scutellum tawny. Wings colour- 

 less, slightly tawny at the base ; stigma dark brown. Halteres yellow. 

 Abdomen with two yellow bands ; the second interrupted ; a yellow spot 

 on each side of the disc near the base, and a yellow marginal spot on each 

 side near the tip. Legs yellow ; femora black towards the base. 



Rare. In Mr. Stephens's collection. (E. S.) 



14. glaucius, L. fn. ii. 813(1761); Spl.; Gin.; LL; Fin.; Ztt. 

 nobilis, Mg. leucozonius, Ahr. ! fn. ii. 25. Fuscus, antennis nigris, 

 thorace cano-subquadrivittato, scutello luteo, abdomine nigro fasciis tribns 

 subinterruptis cams, pedibus fulvis, femoribus basi nigris. Long. 5-6 ; 

 alar. 11-121 lin. 



Brown. Head luteous. Antennae black. Thorax with four indis- 

 tinct hoary stripes, clothed with tawny hairs on each side in front. 

 Scutellum luteous. Wings pale grey ; veins black ; stigma piceous. 



