33 



A male specimen from British East Africa, E. side of Aberdare 

 Mountains. 7.300 ft.. 24. ii. 1911 (T. J. Anderson} ; a female from 

 Blantyre, Xya*alaml (Dr. J. E. 8. Old). 



(c) melas. var. n. 



c? $ . Length 10 mm. 



This form, which may be perhaps considered a distinct species, 

 is characterised by its prevalent black coloration and by its broader 

 jowls. 



Frons of male entirely black (in the two preceding forms it is 

 yellowish grey towards the base) ; face grey, with strong bluish 

 reflexions, long black hair and broad black median stripe; peri- 

 stoma broadly black ; abdomen shining black, with a less broad 

 yellow band on the third segment alone ; legs black, the tibiae dark 

 reddish ; wings a little infuscated towards the basal half. 



The female lias a broad grey peristoma, which bears a black 

 stripe as in capensis ; thorax duller, almost dullish grey ; the rest 

 as in the male. 



Type cf and type from British East Africa, the former from 

 the E. side of Aberdare Mountains, 7,300 ft., ii. 1911, the latter 

 from X. of Mt, Kenia, 8,300 ft., 18. ii. 1911 (T. J. Anderson}. 



2-5. Syrphus claripennis, Loew (1858). 



Distinguished by its clear wings, whitish abdominal bands, and 

 paler head and legs. 



Very near cipriisis, but differing in the pterostigma and the 

 want of a genal black stripe. I think that the present species is 

 the same as iittfi'.<cctu8, Wiedemann (1824), chiefly on account of 

 tli;' fact that it seems to be very common in South Africa. 



A single male specimen from Yala Bridge. X. Kavirondo, British 

 Ivist Afrk-a. 21. viii. 1911 (C. W. Woodhouse}. 



26. Syrphus hirticeps, Loew (1858). 



Distinguished by its prevalent dark coloration on head, abdomen, 

 legs, and wings. 



1 am in doubt if the specimens before me belong to the same 

 species as described by Loew from Xubia ; they agree well enough 

 with the description, but the bands on fourth and fifth abdominal 

 segments are wanting, and that on the third is but little developed ; 

 the thorax is dullish. 



A male from Blantyre, Xyasaland Protectorate, v. 1910 (Dr. J. 

 K. N. Old) ; another male from Uganda, north spur of Kuwenzori, 

 27. ii. 11)12 (If. B. Owen). 



27. Syrphus cogaatus, Loew (1858). 



Very like corollce. but distinguished in the male by the third 

 and fourth abdominal segments being almost entirely yellow, with 

 only a dark brown hind border. 



D 



