TABANINAE. — PART IV. 293 



segment also more or less grey, tergites of fourth (or third) and following 

 segments each with a pair of grey, admedian spots (sometimes difficult lo dis- 

 tinguish), grey hind margin of tergite of second segment often produced in 

 middle line into a forwardly directed triangle, third (or fourth) to sixth tergites 

 inclusive usually each with a grey median longitudinal stripe or more or less 

 distinct vestige thereof; clove-brown area of dorsum clothed with minute, 

 appressed hairs of similar colour, grey lateral borders and posterior angles of 

 dorsal scutes clothed with glistening whitish hair ; venter smoke-grey, hind 

 margins of ventral scutes of second and following segments paler, ventral scute 

 of last segment and also an ill-defined area in centre of ventral scutes of penul- 

 timate and antepenultimate segments (except hind margin in each case) darker 

 (mouse-grey or brownish grey), at least when viewed from certain angles ; venter, 

 except last segment, clothed with minute, appressed, yellowish-white hairs, 

 ventral scute of last segment clothed with erect blackish hair. Wings : all three 

 rosettes well defined, not compound, their distal margins usually broken up into 

 dots ; stigma dark mummy-brown, moderately elongate, sharply defined and 

 much darker than ground colour of wing, with no quadrate dark blotch below it, 

 proximal extremity of stigma pale ; transverse band at apex of wing (mentioned 

 in diagnosis above) very conspicuous : posterior cells, except fourth, each with a 

 large pale blotch occupying distal marginal angle, corresponding blotch in fourth 

 posterior cell wanting or much smaller ; veins mummy-brown, the usual local 

 infuscations not very noticeable. Squamae colourless. Halteres : stalk cream- 

 coloured, darker (usually more or less seal-brown) at base, knobs cream-buff, 

 seal-brown at extreme base above and below. Legs : coxae grey, clothed with 

 whitish hair, front coxae often clove-brown except proximinal half or two-thirds 

 of anterior surface, and with some minute black hairs in front near distal ex- 

 tremity ; femora clove-brown, more or less greyish pollinose, clothed partly with 

 minute black hairs and partly with yellowish or whitish hair; front tibiae clove- 

 brown or blackish clove-brown, distinctly incrassate beyond proximal third, 

 middle and hind tibiae dark brown, hind pair somewhat thickened, front tibiae 

 with a single narrow, cream-coloured band just beyond base, middle and hind 

 tibiae each with two cream or cream-buff-coloured bands as shown in fig. 3, tibiae 

 except pale bands clothed with short blackish or dark brown hair, pale tibial 

 bands clothed with minute, glistening, cream-coloured hairs, which on hind tibiae 

 are usually also present to some extent on interspace between bands, front tibiae 

 often with a few similar hairs on outer side midway between pale band and distal 

 extremity ; front tarsi black, middle and hind tarsi clove-brown, proximal three- 

 fourths or two- thirds of first joint of middle and hind tarsi cream-coloured, 

 second and third joints of hind tarsi sometimes narrowly cream-buff at extreme 

 base. 



German East Africa : South Usagara, 22. xii. 1910 (S. A. Neave). Type 

 and six para-types presented to the National Collection by the Imperial Bureau 

 of Entomology (two other para-types, collected by Mr. S. A. Neave at the same 

 time and place as the other specimens, remain in the possession of the Bureau). 



At first sight Haematopotti maculosifacies presents a certain resemblance to 

 H. cruenta, Austen, and H. crudelis, Austen (Bull. Ent. Res., iii, part 3, 



