154 THE SCOTTISH NATURALIST 



THE BRITISH SPECIES OF THE DIPTEROUS 

 GENUS FANNIA, Rob. Dsv. 



By J. R. Malloch. 



{Continued from page 139.) 



Table of Females — Continued. 



24 (21). Fore tibia with only the preapical bristle. 



25 (28). Mid tibia with at least two antero-dorsal bristles. 



26 (27). Mid tibia with two antero-dorsal, hind tibia with one 



antero-ventral bristle. 16 kowarzii, Verr. 1 



27 (26). Mid tibia with three antero-dorsal, and hind tibia with 



three or four antero-ventral bristles. 1 1 armata, Mg. 



28 (25). Mid tibia with only one antero-dorsal bristle. 



29 (32). Hind tibia with three to four antero-ventral bristles. 



30 (31). Fore tibia broadly yellow at the base. 



5 manicata, Mg., or 6 moni/is, Hal. 



31 (30). Fore tibia inconspicuously, if at all, yellow at base. 



24 mutiea, Ztt. 



32 (29). Hind tibia with only one antero-ventral bristle. 



33 (34). Metallic, shining, brassy-green species; frons narrowed 



behind. 22 g/aucescens, Ztt. 



34 (^t,). Black or brownish species ; frons parallel-sided. 



35 (38). Legs with the knee-joints conspicuously yellow. 



36 (37). Mid tibia with two antero-dorsal bristles. 1 



16 kowarzii, Verr. 



37 (36). Mid tibia with one antero-dorsal bristle. 1 



21 soa'e//a, Ztt., or 27 simi/is, Stn. 



38 (35). Legs with only the fore knees inconspicuously yellow. 



39 (40). Orbits dusted in front, but perceptibly shining behind. 



29 serena, Fin. 



40 (39). Orbits nowhere perceptibly shining. 



41 (44). Middle stripe of frons conspicuously pale grey dusted. 



42 (43). Basal ventral bristle on mid femora strong. 12 acrea } Ztt. 



43 (42). Basal ventral bristle absent from mid femora. 



17 verrallii, Stn. 



44 (41). Middle stripe always distinguishable from orbits by its 



darker colour. 



45 (46). Ventral basal bristle on mid femora strong. 28 postiea, Stn. 



46 (45). Ventral basal bristle weak, or absent. 25 parva, Stn. 



1 See remarks under descriptions of these species. 



