o78 Mr. J. "R. Malloch on Exotic MuscariJfe. 



18. Autemife falling nmcli sborl of lower 



margin of eyes Jiuniilis, Meigen. 



Antennae extending at least to 1 iwer margin 

 of eves 19. 



19. Hind tibiae with iine setulse on almost the 



entire ventral surface ; tliora.\ usually 



with a brown median vitta trichocnema, Stein. 



Hind tibi;e without fine setulose ventral 



hairs ; thorax not vittate inanis, Stein. 



20. Tibiae largely black ; wings slightly and 



evenly brownish fumipemiis, Stein. 



Tibiie yellow ; wings hyaline 21. 



21. Abdomen more or less translucent yellow 



at base dorsalis, v. Roser. 



Abdomen not yellowish at base 22. 



22. Vibrissae yellow fl^avovibrissata, Stein. 



Vibrissae black 23. 



23. Hind tibia in both sexes with a postero- 



dorsal bristle and an antero-dorsal bristle 

 at middle, the female with an antero- 

 ventral bristle also; arista almost bare; 

 thorax with three broad brown vittte, 

 the median one carried over disc of 



scutellnm 24. 



Hind tibia lacking the postero-sutural 

 bristle 25. 



24. Third antennal segment attenuated apically, 



gradually tapered to apex, the underside 



without a rounded angle, the upper ter- 

 minating in a sharp point ; dor.-um of 



thorax chocolate-brown, that of abdomen 



similarly coloured except at anterior 



lateral angles of tergiles where there 



are small grey-prui nascent triangular 



marks ; all femora with a blackiish stripe 



above apically attenui'cornis, sp. n. 



Third antennal segment normal, not dis- 

 tinctly tapered to apex ; thorax not as 



above 24 «. 



24a.Oceliar bristles about two-thirds as long as 



frons ; bristles on basal half of ai.ter>- 



ventral and postero-ventral surfaces of 



mid-femur long and strong; all femora 



largely iufuscated, pale at bases and 



apices fuscifemw, sp. n. 



Cc-^Uar bristles about one-third as long as 



frons ; bristles on basal half of postero- 

 ventral and antero-ventral surfaces of 



mid-femur verv short and weak ; femora 



almost entirely clear rufous yellow .... vittata, Wiedemann. 

 25. Thorax with a very broad brown vitta on 



each side of disc which is carried over 



anterior lateral aiiijle of scutellum, and 



a very fine median brown line which i>! 



neither continuous with lateral vitta nor 



