I)il>tertiJ'iom South Africa. 1G7 



boicJered with fi;rey. The breast-. sides shining black, with 

 very faint reddish-grey totneiitum. Abdomen blue-black, 

 sliininp. Ilaltcrcs brown. I^egs dark red, the coxaj and lust 

 joints of tarsi, the lore t'eniora. and the base of the posterior 

 femora black; there are no bristles on the fore femora; all 

 the bristles and |)ul)escence on the le<^s black. 



Wings light brown, lighter at the apex, the opening of th« 

 fourth ])osterior ell is a little narrowed. 



Length 14 inillim. 



Type (female), Harberton (/'. Ju'tidall). 



Microsiylum dispar, Loew, Dipt. Siidafrik. p. 78 (1860). 

 Four males from Rustenburg, two males from Pretoria. 



Microtitt/lmn niqriharbatum. Bigot, Ann. Soc. Ent. Fr. (5) 

 viii. p. 408 (1878). 



One male from Pretoria probably belongs to this species, 

 though the third joint of antennai is reddish, not bhick, and 

 the hind tibiie have wliite hairs on the underside, extending 

 nearly halfway, of which no mention is made by Bi:i<)t. 



Microsti/Jum ocutirostre, Loew, lier. d. Akad. d. Wi-ssi-nch. 

 zn 'Berlin, p. 658 (1852) ; Dipt. Sudafrik.p. 79(1860) ; 

 Peters's Ueise, p. 7, tab. i. figs. 5, G (1862). 



One male from Fort Johnston, Nyasaland. 



The third joint of palpi is red on its apical half, not wholly 

 black ; the last segment of abdon)en has an orange-yellow 

 l)order ; the double black stripe on the thorax is not wider 

 anteriorly, nor reddish ; and the wings are not so dark as in 

 Loew's description. 



Microstylnni rujinevruiiij Macq., Dipt. Exot. Suppl. v. p. 49 

 (1850). 



One female from Barberton (^/{(ndtil/). 



The pubescence on the first joint of tarsi is orange-red 

 instead of white; the wings are hardly brown as in Mac- 

 quart's description, but greyish. .Macquart's type came from 

 Gaboon. 



Microstylum spurinus, Walkor, List Dipt. pt. ii. p. 308 

 (1849). 

 Da-typof/on spurinu'^, Walker, /. c. 

 One female from Pretoria. 



