238 



Genus I. CERIA. 



CERIA, Fb. e. s. iv. 277 (1792); Shr.; Mg.; LL; Fin.; St. F. et 

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

 pirns p., Pz. 



Antennae articulo quarto apicali. Alee areola subapicali in medio ab- 



rupte angusiata. 



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 cylindrical. 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 ; scutellum semicircular. 

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

 rowed in tlie middle ; alulaB very small. Halteres small, uncovered. 

 Legs stout; tibia3 subclavate. Male. Eyes contiguous. Abdomen 

 cylindrical. Fern. Eyes remote. Abdomen subfusiform. 



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



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

 cornis, Fb. ; Mg. kl. ; Fin. ; Dmr. vaginicornis, Shr. f. b. conop- 

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

 tibiis flavis apice nigris. Long. 5i ; alar. 9 lin. 



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

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

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

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

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

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

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

 black tips. 



Rare. In the British Museum. (E.) 



Genus II. CALLICERA. 



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

 Kdn. Bibio p., Fb. Musca p., Gm. Syrphus p., B,si. 



Antenna articulo quarto apicali. Alee areola subapicali basi ad apicem 

 latescente. 



