238 SYRPHIDiE. 



Genus I. CERIA. 



Ceria, Fb. e. s. iv. 277 (1792); Slir.; Mg.; LI.; Fin.; St. F. et 

 Srv. ; Mq. ; Ct. ; Ztt. Musca p., L. ; Pz. Conops p., Slir. Syr- 

 pJius p., Pz. 



Antenna artlcido quarto aplcalL Alee areola subapicall in medio ab- 



rupte ancjmtata.. 



Head broader than the thorax, depressed in front, vertical ; epistoraa 

 long, conical, with a scapula above the peristoma. Proboscis short, 

 vertical. Labrum tapering near the tip which is edged, not so long as 

 the labium. Lingua somewhat shorter than the labrum. Maxillae 

 subulate, curved, compressed, shorter than the palpi. Palpi biarticu- 

 late, cylindrical, membranous, compressed, dilated at the tips ; first 

 joint long ; second rhomboidal, pubescent. Labium cylincbical. An- 

 tenna 5 -jointed, pubescent, longer than the head, seated on a short ellip- 

 tical petiole, which is truncated in front ; first joint cylindrical, a little 

 thicker at the tip, longer than the second ; fourth apical, very small ; 

 fifth stylate. Thorax quadrate, rounded behind ; scutcUum semicircular. 

 Wings very finely pubescent, diverging ; siihapical areolet abruptly nar- 

 rotved in the middle ; alulae very small. Halteres small, uncovered. 

 Legs stout ; tibiae subclavate. Male. Eyes contiguous. Abdomen 

 cylindrical. Fem. Eyes remote. Abdomen subfusiform. 



1. conopsoides, L. 1790 (1761); Sib.; Shr. i. a.; Pz.; LI. ; 



Mg.; St. F. etSrv. ; Mq. ; Ct. ! b. e. 186; Df. ; Grn. ; Zii.—clavi- 

 cornis, Fb. ; Mg. kl. ; Fin. ; Dmr. — vagi?ucGrtiis, Shr. f. b. — conop- 

 sens, Pz. Nigra flavo-varia, alis ad costam fuscis, femoribus basi flavis, 

 tibiis fiavis apice nigris. Long. 5^ ; alar. 9 lin. 



Black. Head yellow aloug each side in front, and along the hind 

 border ; four yeUow spots in a band behind the antennae. Two yellow 

 spots on each side of the thorax above and beneath ; a yellow baud 

 across the scutellum. Wings brown along near half the breadth be- 

 neath the costa. Halteres tawny. Abdomen with a yelloAv spot on 

 each side of the base, and with 3 yellow bands along the hind borders 

 of the segments. Femora yellow towards the base ; tibiee yellow, with 

 black tips. 



Rare. In the British Museum. (E.) 



Genus II. CALLICERA. 



Calliceka, Mg. kl.? (1804); Pz.; LI. ; St. F. et Srv.; Mg. ; Ztt.; 

 Edn. Bibio p., Fb. Musca p., Gm. Syrphus p., Rsi. 



Antenna articulo quarto apicali. Ala areola subapicall basi ad apicem 

 latescente. 



