120 Annalx of the Mouth African Muteunt. 



Numerous specimens of both sexes, varying in length between 7 

 and 12 mm. Namaqualand, Spektakel and Springbok (Cape), October 

 and November, 1890 (R. M. Lightfoot). Bushmauland, Jackal's Water, 

 and Matjesfontein (Cape), same collector; Hex River (Cape), Decem- 

 ber, 1884 (L. Periuguey); M'Fongosi, Zululand, December, 1914 

 (W. E. Jones) ; O'Okiep (Cape), November, 1885 (L. Periuguey) ; 

 luhambane, Mozambique (K. H. Barnard). 



SPONGOSTYLUM PUNCTIPENNE, Wiedemann (1821). 



A robust species, easily recognisable by having 4 or 5 dark spots on 

 the wings and by the broad tufts of black scales on the sides of the 

 abdomen. 



A single male specimen from Hex River (Cape), December, 1884 

 (L. Peringuey), rightly determined as Aryyraitineba punctipennis by 

 Bigot, 



SUBFAMILY EXOPROSOPINAE. 

 VILLA, Lioy (1864). 



This genus is rather abundant in South Africa. The species can be 

 easily recognised from those of the following genus, chiefly on account 

 of the spinulose front tibiae. Those in the collection can be distin- 

 guished as follows : 



1 (12). Wings without broad dark mai-kings, even if a little darkened at 



base or along the fore border. 



2 (11). Wings entirely hyaline, even at the fore border, sometimes with 



blackish or yellowish extreme base ; species of medium or of small 

 size. 



3 (8). Abdomen without tufts of black scales on the sides of the middle seg- 



ments ; face without black hairs ; wings with pale yellowish base and 

 with mainly yellow veins. 



4 (7). Abdomen without distinct black tufts at the sides near the end 



base of wings in the male with broad patagia-like, silvery organs. 



5 (6). Legs with fulvous femora ; abdomen clothed with short hairs, even on 



the sides ...... flavipes, Loew- 



6 (o). Legs with black femora ; abdomen long-haired, chiefly on the sides. 



albescens, Loew. 



7 (4). Abdomen with small tufts of black hairs at the sides of the 5th and 



Oth segments ; wings of male destitute of silvery patagia ; legs black, 

 densely clothed with yellow scales . . sexfasciat a, Wied. 



8 (3). Abdomen with dense tufts of long black scales at the sides of the 



middle segments ; face with more or less abundant black hairs ; 

 femora broadly yellow at the base ; wings with blackish base and 

 black veins, and in the male with silvery basal patagia. 



