138 DUEHAM DIPTEBA. 



XXIV. 223. 



84 (85). Mid femora with two praeapical bristles. 



(1197. camfiestris, Mg.) 



35 (34). Mid femora with only one praeapical bristle. 



36 (37). Third antennal joint short and blunt, arista distinctly 



dorsal. (1196. lefiidus, Staeg.) 



37 (36). Third antennal joint pointed, arista almost apical. 



(1200. filanitarsis, Fin.) 



38 (1). Femora yellow. 



39 (159). Lower post-orbital bristles yellow. 



40 (102). It is a male. 



41 (46). Antennae entirely black. 



42 (43). Wings with a dark streak along the fore margin. 



Fringe of squama? yellow. (1203. nubilus, Mg.) 



43 (42). Wings without a dark streak. Squamal fringe black. 



44 (45). Fore tibiae with a long thin apical hair. Fore coxae 



all yellow. (1204. latilimbatus, Mcq.) 



45 (44). Fore tibiae without the long thin apical hair, fore 



coxae mostly grey. (12 19. andalusiacus, Strobl.) 



46 (41). Antennae at least partly yellow. 



47 (60). Legs with some peculiar widening or feathering of 



some of the tarsal joints. 



48 (53). Fore tarsi with the last joint dilated. 



49 (50). Hind femora with three or four bristles at the upper 



tip. Squamae yellow fringed. 



(1205. claviger, Stan.) 

 (49). Hind femora with one bristle, or at most two at the 

 upper tip. Squamae black fringed. 



51 (52). V.4. bayonet-shaped. The dilated fifth fore tarsal 



joint without any white spot, the fore metatarsus 

 longer than the next three joints together. 



(1206. confusus, Ztt.) 



52 (51). V.4. gently bent towards V.3. Fifth fore tarsal joint 



with a white spot, fore metatarsus as long as the 

 next two joints. (1207. discifer, Stan.) 



53 (48). Mid tarsi with some joints widened or thickly 



feathered. 



54 (57). Mid metatarsus thickly feathered on both sides. 



