258 SYRPHID.E. 



Genus XII. CRIORHINA. 



CRIORHINA, Hms. ; Mq. d. s. 497 (1834) ; Mg. ; Ztt. ; Bdn. Eris- 

 talis p., Fb. Syrphus p., Pz. ; Fin. Milesia p., LI. ; Mg. Crio- 

 rhina et Pocota, St. F. et Srv. 



Antenna capitis latitudine conjunctim breviores ; articulus quartus dor- 

 salis, quintus nudus. Thorax pilosissimus ; scutellum convexius- 

 culum, margine non bene determinato. Areola subapicalis Integra, 

 basi ad apicem latescens ; _lobus axillaris distinctus ; vena costalis et 

 radialis ad marginem disjuncta ; vena transversa praebrachialis ad vel 

 trans medium areola discalis locata. 

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



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



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



(C.femoratd). Antenna jointly shorter than the breadth of tlie 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 somewhat convex, with an undefined edge. Subapical areolet 



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



subcostal and radial veins ending separately in the margin ; transverse 



prabrachial 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, alis subcinereis nigro-nebulosis, 

 tibiis piceis, tarsis ferrugineis, femoribus posticis crassis. Long. 7 ; 

 alar. 14 lin. 



Black, thickly clothed with black hairs. Head covered in front with 

 white shining down. Scutellum clothed with pale tawny hairs. Wings 

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

 Halteres tawny. Abdomen clothed with tawny hairs towards 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. Nigra,fulvo-hirta,ftnizi\m& ferrugineis, scutello ab- 

 domineque nigro-hirtis, hujus apice albo-hirto, pedibus piceis, tarsis sub- 

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



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

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

 lourless, slightly clouded with grey. Halteres tawny. Abdomen 

 clothed with black hairs and towards 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.) 



