78 Annals oj the South African Museum. 



Latana excavata, sp. nov. 



Luteous, the antennae, the front, the vertex to shortly beyond the 

 end of the eyes and the middle broadly to the occiput and the hind 

 tibiae and tarsi, black ; wings fuscous, a paler, broad cloud beyond 

 the stigma ; the costa, nervures, and apical half of stigma black ; 

 the basal half of stigma pale ochraceous ; the recurrent nervure is 

 received in the apex of the first cubital cellule. ? . 



Length 7 mm. ; terebra 5 mm. 



Natal. Durban. 



Face largely and deeply excavated, the excavation longer than 

 its width below ; the top half narrowed obliquely, the width of 

 the bottom. Malar space excavated. Temples as long as the 

 eyes, rounded behind. Head and thorax smooth and shining. 

 Abdomen closely longitudinally striated ; the ai'ea on second 

 segment smooth, narrowed to a point ; suturiform articulation 

 wide, deep, crenulated. 



ACANTHOBEACON, Kriechb. 



ACANTHOBRACON MACULICEPS, Sp. nOV. 



Eeddish luteous, the antennae, the space below the antennae, front 

 and vertex broadly, the band on the latter continued as a semi- 

 circular mark on to the top of the occiput, l)lack ; the pro- and meso- 

 thorax suffused with fuscous ; wings fuscous, an obhque hyaline 

 cloud in the first cubital cellule and one dilated below on the outer 

 side of the recurrent nervure ; the costa, stigma, and nervures 

 black. 5 . 



Length 13 mm, ; terebra 7 mm. 



Mozambique. Delagoa Bay. 



Head, pro-, and mesothorax smooth; the propleurae with a wide 

 band of stout sti'iae on the middle depression ; the furrow on the 

 base of the mesopleurae wide, curved, crenulated ; there is a narrower 

 crenulated furrow along the outer edge of the mesosternum. Meta- 

 notum reticulated, more widely and irregularly on either side of a 

 longitudinal keel on the basal part ; the metapleurae from shortly 

 above the middle irregularly, somewhat strongly punctured. The 

 first abdominal segment entirely, the second to near the apex, and 

 the base of the third, fourth, and fifth broadly striated, the striae be- 

 coming gradually weaker ; the suturiform articulation roundly curved, 

 strongly crenulated. The second cubital cellule is short, longer 

 than wide, of equal width throughout; the third abscissa of the 



