72 DESCRIPTIONS OF THE 



sometimes separate, the former rarely shortened above. (Length 

 of body 2 — 85 lines ; of wings 82 — 4^ lines.) 

 Common in the south of England during the summer and 

 autumn. 



AciURA. — Desvoidy. 



Like to Urophora, but more shining, peristoma longer, telum of 

 female much shorter, wings almost entirely black. 



Body shining ; head and thorax clothed with black hairs and bristles, 

 the former scarcely narrowed in front ; peristoma very pale, 

 angular, much longer than broad ; epistoma notched in the 

 middle ; mouth red ; feelers pale, slender ; antennae red, 3d joint 

 short, slightly concave above, convex beneath ; scutellum almost a 

 semicircle, not prominent ; abdomen nearly linear ; telum of 

 female very short ; legs hairy ; wings black or brown, varied with 

 limpid spots ; nervures brown, yellow at the base ; cross ner- 

 vures nearly upright ; poisers yellow. 



Sp. 1. Aci. lychnidis. Black, legs red, wings black, with 



several little limpid spots. (Fig. 15.) 

 Musca lychnidis . . Fabr. Mant. Ins. 11.353. 120; Ent. 



Syst. IV. 360. 197; Gmel Syst. 



Nat. V. 2858. 251. 

 Tephritis lychnidis . Fabr. Syst. Ant I. 322. 26 ; Fallen, 



Dipt. Suec. OrtaL 14. 24. 

 Trypeta lychnidis . Meig. Europ. Zweiflug. Ins. V. 324. 



2L PI. XLIX. fig. 6. 



Head red ; thorax slightly grey above, with a reddish spot on each 

 side near the base of the wing ; scutellum sometimes with a red 

 border ; spots of wings mostly long and narrow, some of them 

 reaching from the border into the disk. (Length of body 3 lines ; 

 of wings 4| lines.) 

 Very rare in England. 



Sp. 2. Aci. discoidea. Red, abdomen black, wings brown, 

 with a few large limpid spots. (Fig. 16.) 



Musca discoidea . . Fabr. Ent. Syst. IV. 350. 155; Gmel. 



Sijst. Nat. V. 2854. 239 ? 

 Dictya discoidea . . Fabr. Syst. Antl. 326. 3. 

 Tephritis centaureae . Fallin, Dipt. Suec Ortal. 16. 26. 

 Trypeta discoidea . Meig. Europ. Zweijiug. Ins. V. 323.19. 



PI. XLIX. fig. 14. 



