114 Annals of the South African Museum. 



LOMATIA SIMPLEX, Wiedemann (1819). 



A smaller species, very distinct from the others of the present 

 group owing to the reduced wing pattern of the male, the first basal 

 cell being darkened at the base only. 



This species seems to be common in South Africa ; there are many 

 specimens of both sexes from Barberton, Transvaal, December, 1911 

 (H. Edwards) ; a large male specimen from Hex River (Cape) is 

 labelled by Bigot as Anthrax albifrons, n. sp. ; it has a wholly yellow 

 antenual tuft. The present species is variable in the coloration of the 

 hairs on the face and frous, which in the male are often white, not 

 yellow ; in the female the hairs of the under side of the first antennal 

 joint have usually no black hairs on the inner border, while in the 

 male they Jiave such as in pulchriceps. Middle femora with 2-3, hind 

 femora with 3-4 spines. 



In the female the wings are more infuscated ; the first basal cell is 

 fuscous to the end, and the second basal cell, and often even the 

 discoidal cell, ai-e also infuscated. 



LOMATIA INFUSCATA, nov. sp., $ . 



A rather large species, distinct from the others by the wholly 

 infuscated wings, which are destitute of clear stripes, but show a 

 distinct fuscovis pattern, of the type of that of pulchriceps. 



Type 9 > a single specimen from Pinetown, Natal, June, 1883 

 (G. H. Bowker). 



Length of body 1O5 mm. ; of a wing, 10 mm. Occiput shining 

 black, with faint grey dust ; scarce golden tomeutum and short 

 yellowish hairs along the borders of the middle depression. The longi- 

 tudinal furrow behind the vertex is narrow but deep ; ocellar tubercle 

 bi'own, with a prominent hind border, black haired ; frons shining 

 black and black pilose, with a transverse band of golden hairs above 

 the base of the antennae. Face and cheeks black, with golden hairs ; 

 chin black, almost bare. Antennae entirely black ; first joint black 

 and briefly hairy on the upper side, with a long tuft of rigid golden 

 hairs underneath and with black ones intermingled on the inner side > 

 third joint at the base as broad as the second, gradually tapering in a 

 long styliform point, which is of a reddish colour at end. Proboscis 

 and palpi black. Thorax and scutellum deep black, densely clothed 

 with golden yellow hairs ; the bristles are yellow or dark yellowish, 

 but the 2 praesutural ones on the right side are quite black (in 2 

 specimens of the British Museum these bristles are, however, entirely 

 yellow, which may be the rule) ; pleurae black, densely grey-dusted, 



