DUEHAM DIPTERA. 141 



XXIV. 223. 



84 (85). Antennae nearly all black, tip of the tibiae black. 



(12 14. acuticornis, W.) 



85 (84). Antennae nearly all yellow. Tibiae all pale. 



(12 1 5. longicornis, Stan.) 



86 (83). Third antennal joint short as usual. 



87 (88). Face yellow. ( I2I 7- puncticomis, Ztt.) 



88 (87). Face silvery white, fore coxae bare. 



(12 18. linearis, Mg.) 



89 (82). Costa without any wart-like thickening at the end of 



V.I. 



90 (99). Antennae almost entirely black, only slightly orange 



under the first joint. 



91 (92). Squamae with yellow fringes. (1203. nubilus, Mg.) 



92 (91). Squamae with black fringes. 



93 (94). Fore tibiae with a long thin hair at the tip, coxae all 



yellow. (1204. latilimbatus, Mcq.) 



94 (93). Fore tibiae without the long thin hair. 



95 (96). Antennae short as usual and all black. Fore femora 



mostly black, fore coxae mostly grey. 



(1219. andalusiacus, Strobl.) 



96 (95). Antennae rather long, and distinctly orange beneath 



the first joint. Fore femora and coxae all yellow 

 or orange. 



97 (98). Mid-sized species, face pale yellow. 



(12 1 6. mediicornis, Verr.) 



98 (97). Rather large species, nearly 4 mm. Face ochreous 



yellow. (1216^. lineaticornis, Ztt.) 



99 (90). Antennae with the first and second joints orange, the 



third black. 



100 (101). Squamae with yellow fringes, femora with dark 



stripes, frons blue. ( I22 S- strigipes, Verr.) 



101 (100). Squamae with black fringes, femora entirely yellow, 



frons greenish. (1224. simplex, Mg.) 



102 (40). It is a female. 



103 (114). Mid metatarsi with a bristle above. 



104 (105). Hind femora with more than one praeapical bristle. 



(1205. claviger, Stan.) 



