DUEHAM DIPTERA. 339 



XLIV. 574. 



5 (6). Scutellum grey with the whole hind margin broadly 



black. 



2483. Sapromyza lupulina, F. 

 Bishop Auckland, i ?, Harperley, i $, June, 1901-02. 



6 (5). Scutellum grey with yellow margin, or all yellow. 



7 (8). Abdomen without black bands. 



(2486. flaviventris, Costa.) 



8 (7). Abdomen with black bands. 



2484. Sapromyza fasciata, Fin. 

 Hesleden, 1 ?, August 14, 1902. 



9 (2). Entirely yellow species. 



10 (11). Wings unspotted ; arista long haired. 



(2500. phimicornis, Fin.) 



11 (10). Wings spotted ; arista short haired. 



12 (13). Third antennal joint yellow, with the end brown ; 



wings with five spots each. 

 2487. Sapromyza decempunctata, Fin. 

 Common. Bishop Auckland, 6 $ and 7 ?, June- 

 July, 1901-02. 



13 (12). Third antennal joint all yellow. 



13a (13b). Wings with six spots each. (2488. notata, Fin.) 

 13b (13a). Wings with X.4. and X.5 2 darkly clouded, the tip 



with a dark border, and the base of V.3, and V.5. 



brown. ( 2 495- biumbrata, Lw.) 



14 (1). Arista pubescent or bare. 



15 (18). Dorsum grey. 



16 (17). Head pale yellow ; abdomen dirty yellow with in- 



distinct brown bands. 

 2489. Sapromyza pallidiventris, Fin. 

 Harperley, 1 $, July, 1902. 



17 (16). Head grey ; abdomen red brown. 



(2499. placida, Mg.) 



18 (15). Dorsum yellow. 



19 (36). Wings unspotted, or at least never with both the 



wing tip and a X-vein clouded at the same time. 



