250 SYRPHID^E. 



Black. Head in front yellow, with a luteous stripe. Fourth joint of 

 the antennae luteous. Thorax with four yellow stripes ; scutellum fer- 

 ruginous. Wings colourless. Halteres yellow. Abdomen with a 

 black stripe which is widened at the base and along the hind border of 

 each segment, and occupies the whole of the tip, where there is an un- 

 dulating hoary band. Hind femora with an indistinct tawny band on 

 each tip ; anterior femora luteous towards the tips ; hind tibia? luteous 

 towards the base ; anterior tibia? luteous ; anterior tarsi ferruginous. 

 Var. j8. Fore tarsi tawny. Var. y. Anterior tarsi tawny. 



Not common. (E.) 



4. versicolor, Fb. e. s. iv. 283. 19 (1792); Gm. ; Lw. Antennis 

 luteis, facie sub antennis valde excavata,fronte foemina tola nigro-pilosa, 



femoribus posticis in utroque sexu muticis. Long. 4^-5 ; alar. 9-10 lin. 



Piceous, Head yellow in front ; face much excavated. Antenna 

 luteous. Thorax with four tawny stripes, thickly clothed with tawny 

 hairs; scutellum ferruginous. Wings slightly grey. Halteres yel- 

 low. Abdomen black, with two large angular luteous spots on each 

 side towards the base, and with a luteous band on the hind border of 

 each segment ; tip buff. Legs luteous ; kind femora unarmed, black 

 with luteous tips ; hind knees black ; anterior femora black at the base ; 

 hind tarsi piceous. Fern. Front clothed with black hairs. Var. /3. 

 Bands of the abdomen interrupted towards the tip and forming black 

 spots on each side. 



Rare. In the collection of the Entomological Club. (E.) 



5. lineatus, Fb. e. s. iv. 375. 2 (1792) ; Fin. ; Mg. I zw. pi. 32. 

 f. 7 ; Mq. ; Ztt. ; Lw. muscaria, Fb. ; Pz. Facie longissime producta 

 conica apice acuta, antennarum articulis primo et secundo nigro-fuscis. 

 Long. 4-4^; alar. 8-9 lin. 



Black. Head yellow ; vertex black ; epistoma very much produced, 

 conical, acute, black on each side. Antenna) ferruginous ; first and 

 second joints piceous. Thorax with four slender luteous stripes ; scu- 

 tellum tawny, dingy towards the base. Wings grey. Halteres yel- 

 low. Abdomen with sometimes indistinct whitish transverse dorsal 

 spots on the hind borders of the segments. Legs luteous ; femora, 

 tibia?, and hind knees with black bands ; a black dot on the inner side 

 of each of the hind femora ; hind tarsi piceous. Male. Abdomen with 

 three interrupted slightly curved luteous bands, which are much dilated 

 on each side ; tip pale tawny. Fern. Abdomen with three interrupted 

 curved whitish bands ; tip whitish. 



Generally distributed. (E. I.) 



6. lunulatus, Mg. ! zw. iii. 370. 2. pi. 32. f. 9 (1822); Mq. ; 

 Lw. ; Ztt. Facie producta subconica apice obtusa, thoracis vitta inter- 

 media nigra indivisa. Long. 5 ; alar. 9 lin. 



Black. Head yellow ; vertex tawny ; epistoma produced, obtuse, 

 black on each side. Antenna? ferruginous, luteous at the base. Thorax 



