\ 



EUMERUS. 241 



ibuvtli doj-sal, cyathiform, seated on tlic third just before the middle ; 

 fifth a little longer; sixth bare or pul^esccnt, thick towards the base. 

 Thorax convex, pubescent, almost quadrate, with two -whitish stripes 

 which do not extend beyond the middle ; scutellum flat, semicirculay, 

 with a sharp finely granulated edge, which is beset with short bristles. 

 Wings moderately long, finely pubescent, incumbent and parallel in 

 repose; mhapical areolet entire; subcodal and radial veins ending 

 separately in the margin; transverse prcehrachial vein placed at or 

 beyond the middle of the discal areolet ; axillary lobe distinct. Ab- 

 domen long, linear, pubescent, incurved at the tip ; segments coarc- 

 tate ; first segment very narrow. Legs rather short ; hind legs rather 

 longer than the anterior; hind femora very thick, with a double 

 row of slender spines on the apical half of the imderside ; hind 

 tibiae somewhat curved, subclavate, slightly thickened in the midtlie ; 

 hind metatarsi rather 1)road. Male. Eyes contiguous; facets large 

 in front. Abdomen obtuse at the tip. Fem. Eyes remote. Abdomen 

 acute at the tip. 



The larvce feed on bulbous roots. 



1. ornatus, Mg. zw. iii. 205. 4 (1822) ; Mq. ; Z\X.—strigatus p., 

 Fin. ^Eneo-viridis, antennis ferrugineis, alls cinereis, abdomine \itrin- 

 que lunulis tribus canis, pedibus nigris, tarsis fulvis. Long. 4 ; alar 

 7 lin. 



Cupreous. Eyes hairy. Antenn<B dark ferruginous. Thorax aeneous- 

 green. Wings grey ; stigma dark brown. Halteres luteous. Abdomen 

 black, cupreous on each side, with 3 interrupted arched Iioary bands, 

 lurid beneath. Legs black ; hnees and tarsi tawny ; tai'si brown to- 

 wards the base. 



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



2. ruficornis, Mg. zw. iii. 206. 5 (1822) ; Ztt. ; Ct. ; Lw. Cha- 

 lybeus, antennis rufis, thoracis disco ceneo cano-bivittato, alis subcinereis, 

 abdomine utrinque lunulis tribus canis, pedibus nigris, tibiis basi tar- 

 sis(]ue subtns rufis. Long. 3^ ; alar. %\ lin. 



Chalybeous. Antenna; red. Disc of the thora-x ceneous, with 2 hoary 

 stripes. Wings slightly gi'ey ; stigma brown. Halteres yellow. Ab- 

 flomen black, adorned on each side with 3 slightly curved hoary l^ands. 

 Legs black ; tibite towards the base and tarsi beneath red. 



Eare. In the British Museum. (E.) 



8. strigatus. Flu. d. s. syrph. 61. 8 (1816) ; Mg. ; Mq. ; Ztt.— 

 annulatus, Pz. Clialybeus, antennis nigris, thoracis disco reneo cano- 

 bivittato, alis subcinereis, abdomine utrinque lunulis tribus canis, tibiis 

 basi ferrugineis, tarsis piceis. Long. 4 ; alar. 7 lin. 



Chalyl)eous. Jntennre black. Disc of the thorax (vneous, with 2 

 hoary stripes. Wings slightly grey ; stigma tawny. Halteres yellow. 

 Abdomen adorned on eaeli side with 3 obliipie sliglitly curved hoary 



VOL. I. 2 I 



