40 Miss G. Ricaido on 



Ahimus rubiginosns, Gerst. 



Archiv f. NHturgescli. xxxvii. 1, p. 302 (1871), et in Decken's Uelse in 

 Ost-Afrik. iii. 2, p. 337, pi. xvi. tig. 6 (1873) ; Ricardo, Ann. & Majj. 

 Nat. Hist. (7) vi. p. 174 (1900). 



Specimens from Uganda; Somaliland; Buluwayo {G. W. 

 Bnry, K. C. Chubb) ; Zomba, British Ct-ntral Africa {Ren- 

 dull) ; and a long series of males and females from 150- 

 L>0') miles west of Kambove, 3500-4500 feet, 11. 10. 17 

 (Neave Coll.). 



In 1. E. E. Coll. specimens from German East Africa and 

 Nyasaland. 



A large species, distinguished from Alcimus tristrigatm, 

 Loew, by the bristles on the legs being chieHy black and 

 those on the posterior part of the thorax the same colour ; the 

 bristles on the sides of the abdomen are black and white. 

 The thorax appears to be usually reddish brown in colour, 

 with the stripes not very distinct. 



Length from 30-32 mm. (males), 37-40 ram. (females). 



Alcinms brevipennis, (^ ? , sp. n. 



T 

 Kn 

 Marshall) ; and another female. 



A very large species, the wings in proportion very short, 

 the male with four stout black bristles on the scutellum ; the 

 females, however, with the usual two bristles. Legs reddish, 

 the femora and apices of tibiae blackish, bristles on legs 

 chi' fly white. 



Length, c? 38, ? 40-45 mm. 



Male, — Face reddish, with pale tomentum. Moustache 

 pale yellow, and weaker hairs of the same colour continued 

 to the antenna;. Palpi red, with yellow hairs. Beard white. 

 Antennoi red, the third joint black, as long as the first two 

 together, with a stout arista. Forehead same colour as face, 

 the bristles yellow, as aio those on vertex, bordered on each 

 i^ide with very stout black bristles. Thorax light brownish 

 olive, with glistening white tomentum at sides and traces of 

 it between the very narrow brown median siripes and the 

 broader two blackish-brown spots representing the side- 

 stripes ; dorsum with very short black bristly hairs and some 

 long -white bristles on posterior border intermixed with 

 shorter black om s. Scutellum same colour as thorax, with 

 short black bristles and hairs. _Ai>do7nen with the usual 

 large black spots and side-.'5pot^, and with stout white b:i3tles 



Type (male), type (female), from junction of Blaauw 

 laniz and Tugela River, Natal, Oct. 189(5 {G. A. K. 



