African Phlelotomic Diplera. 343 



in leiipth in case of typo, thickened just beyond middle, but 

 loss swoUon than in certain other species of Co ^//cerr/, clothed 

 with black hair; proboscis clovc-hrown ; first and second 

 joints of antenme dove-brown, clothed with bla(rk hair (third 

 joint niiasinff in case of type). Thorax: dorsum shining, 

 pleur.'c and pectus dull. Abdomen pur|)lish black, somewhat 

 less shining than dorsum of thorax owing to surface being 

 more coarsely punctured at base of each hair, and also scored 

 with fine transvci'sc stria*. JVi/iz/s: costal cells darker than 

 remainder of surface, anal and axillary cells paler, ren)aining 

 cells each with a more or less pronounced paler central area 

 or streak ; veins clove-brown. Scjuamte and halteres clove- 

 brown. Legs : front legs and middle tibiae and tarsi dark 

 chestnut-brown. 



Southern Rhodesia : Chirinda Forest, Melsetter District, 

 3800 ft., 1. X. 1909 (C. F. M. Sinjnr.crton). 



From all species of Cadiceru already described except 

 C. crassipalpis, Macq., C. niyricolor is at once distinguished 

 by its uniform black colour, which is unrelieved by lighter 

 markings of any kind. The less elongate and relatively 

 broader abdomen, and the coloration of the antennai, wings, 

 tibite, and tarsi diiicreutiate the new species from C. crassi- 

 palpis. 



Genus Chrysops, Meigen. 

 Chrysops laticeps, sp. n. 



? . — Length (1 specimen) 8 mm. ; width of liead 3*2 mm. ; 

 width of iront at vertex 1*6 mm. ; length of wing 8 mm. 



A stoutly built thickset species, ivith broad head and sharply 

 defined, narrow, oblique, transverse band on icinys. — Head 

 cream-buff pollinose, snioke-yrey on vertex ; antennce relatively 

 short ; thorax yellowish-yrey pollinose, dorsum in front with 

 two narrow, admedian, buff-coloured longitudinal stripes, widely 

 separated and not or scarcely ej tending beyond transverse 

 suture ; abdomen ochraceous-buff' at base, dorsum of second to 

 seventh segments inclusive each with a clove-brown transverse 

 band, hind borders of these segments yellowish grey or yellowish 

 pollinose, last three segments and hind borders of third and 

 fourth segments thickly clothed above with ochre-yellow hair; 

 leys, erctpt middle and hind co.rte and tips of tarsi, cinnamon, 

 hind tibiiU fringed on outer side ivith ochreyidlow hair. 



Head: frontal callus shining black, transversely elliptical, 

 but not extending to eyes ; ocelli widely separated, each 

 ocellus situate upon a small shining black spot; these spots 

 are separate from each other, and the foremost spot is not 



