258 SYRPHID.E. 



Genus XII. CRIORHINA. 



CiuoiuiiNA, Hms. ; Mq. d. s. 497 (1834); Mg. ; Ztt. ; Edn. Eris- 

 talis p., Fb. SyrpJms p., Pz. ; Fin. Milesia p., LI. ; Mg. Ciio- 

 rhina et Focota, St. F. et Srv. 



Antennae capitis latitudine conjunctim breviores ; articulus qnartus dor- 

 salis, quintiis nudus. Thorax pilosissimus ; sciitellum convexim- 

 culuin, marijine non bene determinato. Areola suhapicalis Integra, 

 basi ad apicem latesccns ; lohus axillaris distinctiis ; vence costalis et 

 radialis ad marginem disjimcta ; vena transversa prceljracliialis ad vet 

 trans medium areolce discalis locata. 

 Body broad, thick, convex, very tvoolly. Eyes parted in both 



sexes ; all the facets small. Palpi very long, curved, somewhat 



thickened towards the tips, full twice the length of the maxilla3 



{C.femorata). AntemifS jointly shorter than the breadth of the head ; 



first joint linear; second clavate, a little shorter than the first; 



third rounded, much widened, its breadth about twice its length; 



fourth joint seated on the third, near the base ; fifth long, bare, setiform. 



Thorax sommohat convex, icith an undefined edge. Subapical areoJet 



entire, gradually widened from the base otdwards ; axillary lobe distinct ; 



subcostal and radial veins ending separately in the margin ; transverse 



prcebrachial vein placed at or beyond the middle of the discal areolet. 



Abdomen obconical. 



1. ranunculi, Pz. ! fn. xci. 21 ; Mg. (1822). Nigra, nigro-hirta, 

 scutello abdominisque apice fulvo-hirtis, alls subcinereis nigro-nebulosis, 

 tibiis piceis, tarsis ferrugiueis, femoribus posficis crassis. Long. 7 ; 

 alar. 14 lin. 



Black, thickly clothed with black hairs. Head covered in fi-ont with 

 white shining down. Scutellum clothed ivith pale taicny hairs. Wings 

 pale grey, clouded with black about the transverse veins in the middle. 

 Halteres tawny. Abdomen clothed with tawny hairs to7vards the tip. 

 Legs black ; hind femora very thick ; tibiae piceous ; tarsi pale ferru- 

 ginous. 



Rare. (E.) 



2. berberina, Fb. s. a. 240. 33 (1804) ; Mg. ! zw. pi. 27. f. 9; 

 Mq. ; Lw. ; Ztt. Niffra,fulvo-hir la, imiennis kvvug'mcis, scutello ab- 

 domineque nigro-hlrtis, hujus apice alho-hirto, pedibus piceis, tarsis sub- 

 tus ferrugineis. Long. 5 ; alar. 12 lin. 



Black. Head covered in front with white shining down. Antennas 

 ferruginous. Scutellum clothed tvith black hairs. Wings almost co- 

 lom-less, slightly clouded with grey. Halteres tawny. Abdomen 

 clothed loith black hairs and totoards the tip with whitish hairs. Legs 

 piceous ; tarsi ferruginous beneath. Male. Thorax clothed with bright 

 tawny hairs. Fern. Thorax clothed with pale tawny hairs. 



Not common. (E.) 



