1904.] jyg 



54 (57) Basal joint of hind tarsi with only one bristle above; hind femora fringed 



beneath ; all femora more or less dusky. 



55 (56) Wings with a blackish blotch occupying tip ; hind tibiiB simple... 



27. signifer Hal. 



56 (55) Wings without any blackish blotch occupying tip; hind tibifjo dilated... 



28. clavipex Hal. 



57 (54) Basal joint of hind tarsi with at least two bristles above. 



58 (59) Wings conspicuously dusky about costa on apical half (conf nuhihis) ; 



costal swelling sligiit 20. salinus Hal. 



59 (58) Wings not conspicuously dusky anywhere. 



60 (67) Wings with a black costal swelling. 



61 (64) Tiiird antennal joint long, pointed, and turned up at tip. 



62 (63) Antenna? black, with under-side of basal joint tawny ; tibifc black at tip... 



30. acuticornis Wied. 



63 (62) Antennae tawiiy, but blackish above and at tip ; tibise all pale... 



31. longicornis Stann. 



64 (61) Third antennal joint short as usual. 



65 (66) Face ochreous 32. punvt icor uis Zeit. 



66 (65) Face silvery-white ; front coxae bare 33. linearis }Ji.eig. 



67 (60) Wings without any black costal swelling. 



68 (77) Antennne apparently wholly black, hut under-side of basal joint incon- 



spicuously tawny. 



69 (70) Squamae with yellow fringes 34. nithilux M.e\g. 



70 (69) Squamse witli black fringes. 



71 (72) Front tibiae at tip with a long thin hair; front coxa? all yellow... 



35, latilimhalHS Macq. 



72 (71) Front tibiae at tip without a long thin liair. 



73 (74) Antennae short as usual, all black ; front femora mainly blackish ; front 



coxae mainly cinereous 36. anda/usiacus Strobl. 



74 (73) Antennae subelongate, obviously tawny beneath basal joint ; front femora 



all yellow ; front coxae all orange. 



75 (76) Medium sized species ; face pale yellow 37. mediicurnis Yevi: 



76 (75) Largish species ; face ochreous-yellow 38. I i neat ico rnis Zett. 



77 (68) Antennae conspicuously tawny about all base. 



78 (79) Squamae with yellow fringes ; femora with du.sky stripes; fpons blue... 



39. strigipes Verr. 



79 (78) Squamae with black fringes ; femora all yellow ; frons greenish... 



40. simplex Meig. 



80 (23) Lower postocular cilia black. 



81 (82) Hind femora with three or more preapical bristles ...41. ungulatus L. 



(^= ;etiens De G.) 



82 (81) Hind femora with only one preapical bristle. 



83 (84) Face white ; hind femora black fringed 42. /o«^/7rtAM".y Stann. 



(= equestris Hal.) 



84 (83) Face ochreous. 



85 (86) Last joint of front tarsi dilated ; femora pale fringed... 



43. brevipeiitiis Meig. 



86 (85) Last joint of front tarsi normal ; femora dusky, not fringed... 



44. rupestris Hal. 

 {To be continued). 



