CERIOIDES. 141 



yellowish stripe ; eyes dark brown, bare, meeting at a point in the 

 middle of the frons, with facets of equal size ; ocelli close together, 

 surrounded by a black spot ; occipital upp^r border much produced, 

 with a fringe of pale hair, which is continued below ; frontal tri- 

 angle clothed with short and soft white hair ; face bare, lightly 

 dusted with white pollen ; proboscis black, with dark brown labella. 

 Antennal petiole long and strong, of the same red colour as the 

 head, antennae dark red, first and second joints of almost equal 

 length ; third joint pale yellowish, shorter than the second, whitish- 

 dusted, with a terminal thin, acute style. Thorax black, dull, 

 with short dark grey pubescence ; shoulders and lateral stripes from 

 them to the scutellurn dark red ; pleura? bare, the stripe which is 

 yellow in liopei is here of a red, rather shining colour. Scutellurn 

 entirely yellow, narrowly reddish towards the base. Squamulae 

 dark yellowish, with short whitish fringes; halteres pale yellow. 

 Abdomen elongate, the petiole being as long as the oval expanded 

 portion : first segment bright yellow, with a quadrate dull bkck 

 spot in the middle reaching the hind border, and with rather long 

 pale hair ; second reddish brown, with a yellow, somewhat indistinct 

 longitudinal stripe on each side, black towards the hind border ; 

 third and fourth segments black, sparsely dusted with grey pollen, 

 and clothed with very short black pubescence, the hind border of 

 the third segment narrowly reddish towards the sides ; genitalia 

 red, clothed with short black hair: venter grey, clothed with short 

 black hair. Coxae of the four anterior legs dark red, the fore tibiae 

 above near the base each with a small and short yellow stripe, the 

 tarsi slightly darkened ; hind legs with brown coxae, the femora 

 narrowly blackish towards the base, and beyond the blackish area 

 with a broad yellow ring, the apical third, the tibiae, and the tarsi 

 red. Wings with the costal border as far as the third vein of a 

 yellowish-brown colour, becoming blackish at the tip ; there is also 

 a brown -yellowish border along the fifth longitudinal vein, dilated 

 at the end and there extending over the apex of the second basal, 

 and over the base of discal and third posterior cells ; kink in third 

 vein flat and broad, without appendix ; subapical and postical cross- 

 veins placed almost in the same line, with short appendices. 



Type c? , from Uganda Protectorate, Kafu River, between Hoima 

 and Kampola, 3,oOO ft., 29-31. xii. 1911 (8. A. Ntve)\ an ad- 

 ditional specimen, between Jinja and Busia or M bwago's. E. Busoga 

 ("some forest"), 3,800-4,000 ft, 28. vii.-l. viii. 1911 (same 

 collector). 



Xamecl in honour of the collector, who has made so many im- 

 portant discoveries in the dipterous fauna of these Regions. 



144. Cerioides speiseri, Herve-Bazin (1913). 



A black species of very large size allied to C. brunneipennis, Lw., 



but at once distinguished by the almost entirely black antennae and 

 legs. 



To the present species is also allied C. congolensis, Bezzi, a short 



