Descriptions of British Diptera. 215 



fasciae. " I find this insect to be common at Glanville's Wootton, 

 and other places, such as Eslington wood, Caundle Holts, &c." J. 

 C. Dale, Esq. " Cambridgeshire. In one of my specimens the ab- 

 domen, is entirely bright yellow above, with the exception of the in- 

 cisures of the segments, which present each a narrow line of black. 

 Is this a mere variety, or a distinct species ?" Rev. Leonard Jenyvs. 

 " Needwood Forest, Staffordshire. August 1828." C. C. Babing- 

 ton, Esq. " Near Twizel." P. J. Selby, Esq. 



CONOPS QUADRIFASCIATA. 

 De Geer, vi. pi- 15. fig. 1 — Meigen, iv. 123 — Conops aculeata, Fabr. 



Similar to the preceding species ; hypostome fulvous, with a play 

 of bright yellow on the sides ; forehead reddish-brown above, black 

 over the antennae, the latter likewise black : thorax black with two 

 yellow callosities on the shoulders, the sides of the breast and me- 

 tathorax with changeable spots of bright yellow ; scutellum entire- 

 ly black : abdomen yellow with four black bands ; the first segment 

 being black, with a yellow callosity on each side, and the hinder 

 margin yellow ; second black edged with yellow ; third similar, 

 but the yellow band wider ; fourth yellow with a narrow black 

 band ; fifth almost entirely yellow ; sixth yellow : halteres yellow ; 

 legs reddish-yellow ; the tarsi dusky at the extremity ; wings near- 

 ly hyaline in both sexes. 5 lines. 



Of pretty frequent occurrence in the south of England, but scarce 

 in most other parts of the country. " Common at Glanville's 

 Wootton, and other places in this neighbourhood." J. C. Dale, Esq. 

 " Near London." Stephens' Catal. " Birchwood, Southgate, &c." 

 Curtis, Brit. Ent. " Woods at Tollymore, ascent o. Mourne Moun- 

 tains, county Down." A. H. Holiday, Esq. 



Conops aculeata. 



Linn. Meigen, iv. 124 — Conops macrocephala, Harris, Expos, pi. xx. fig. 2, 3. 



— Conops scutellata, Meigen, Klass. 



This insect so closely resembles the preceding, that, with a very 

 few exceptions, the same description will apply to both. Head fer- 

 ruginous ; forehead with a black band, the spot on the crown red- 

 dish-brown ; antennae and thorax black, the latter with a yellow 

 spot on the shoulder, and another behind the insertion of the wings ; 

 the sides of the breast with two marks of changeable yellow, having 

 a tine silky lustre ; scutellum yellow : abdomen black with five 

 yellow bands ; legs reddish-yellow, the apex of the tarsi tinged Avith 



