African Phlebotomic Diptera. 101 



Dark brown, with grey markings ; wings light brown, with 

 a broad bifurcate light cross-band at the apex, and exception- 

 ally well-marked rosettes. Frontal callus dark mummy -brown. 

 Scuteltum smoke-grey at base and beneath, with broad dark 

 brown hind border. Abdomen seal-brown above, with sides, 

 hind borders of segments, and a median stripe and pair of 

 admedian spots on each segment smoke-grey. Legs clove- 

 brown or seal-brown, middle femora fawn-coloured or brownish 

 fawn-coloured, darker at tips ; a broad band next to base on 

 front and hind tibia, a more or less distinct narrow band on 

 distal half of hind tibia, three bands on middle tib'ue (including 

 one at extreme base), and first joints of middle and hind tarsi 

 except tips cream-coloured. 



Head : front drab-grey, with an underlying brownish 

 tinge in central region, and a pair of brown admedian flecks 

 on vertex; face and jowls smoke-grey, upper part of face 

 yellowish grey, with a dark brown horizontal mark on each 

 side, running from lower inner margin of eye towards 

 antenna ; frontal callus relatively narrow or of only moderate 

 depth, extending from eye to eye, upper and lower margins 

 nearly straight or slightly undulate ; a seal -brown triangular 

 median spot extending from lower margin of callus to level 

 of upper margin of base of antennas ; median as well as 

 lateral frontal spots conspicuous, clove-brown, lateral frontal 

 spots in contact with eyes when viewed from below, median 

 frontal spot situate on a grey mark like an inverted spear- 

 or arrow-head, base of which extends to vertex ; palpi 

 greyish buff, clothed with yellowish-white hair, intermixed 

 with minute black hairs on outer side of terminal joint, 

 which is of moderate size, not sharply pointed, but little 

 swollen at base, and slightly dusky on outer side towards 

 tip; first joint of antennae shining clove-brown, greyish buff 

 at base on inner side, elongate and strongly incrassate, with 

 a constriction before the tip, second joint ochraceous buff, 

 small, its upper angle but little produced, third joint dark 

 brown, buff at extreme base, narrow and elongate, last three 

 annuli clove-brown. Thorax : pectus, pleurae, and markings 

 on dorsum as in H. divisapex. Abdomen : dorsum with 

 sides and hind borders of segments clothed with pale yellow- 

 ish hair; grey hind border of first segment expanded, in 

 middle, where it sometimes assumes a cream-buff tint; 

 median portion of front margin of second segment smoke- 

 grey ; median stripe on second segment the broadest, in 

 shape of a forwardly- directed triangle with its apex in 

 contact with front margin, median stripes on following 

 segments also sometimes expanded posteriorly ; venter 



