400 



ACMOCERA FERRUGINOSA, n. S. (PI. LIII. fig. 8.) 



A. ochraceo-grisea ferrugine tincta ; fronte nigra; antennarum 

 articulo basali nigro, crasse punctato ; thoracis lateribus sin- 

 gulis bituberculatis, dorso tuberculis duobus distantibus ; elytris 

 singulis basi medio carina abbreviata supra tuberculata ; hu- 

 meris scabriusculis ; elytris apice emarginatis, dorso lineatim 

 subtuberculato. 



Densely covered with small hairs ; an ochrey grey, tinged here 

 and there, especially on the elytra, with rust-like markings and stains ; 

 the front of the head is black ; the basal joint of the antennae is 

 black and rather roughly punctured ; the fourth joint of the antennae 

 is longer than the third ; all the joints except the first are of an ochre- 

 ous grey at the base, and tinged with ferruginous at the tip ; the 

 thorax is palest on the middle, the back of it has two tubercles which 

 are somewhat distant from each other ; the sides have two tubercles 

 close to each other, the posterior the larger ; on the back are two 

 longitudinal rusty lines : the sides of the scutellum are tinged with 

 rusty ; the elytra are each emarginated at the end, the surface has 

 many small tubercles arranged in lines ; the tubercles are larger on 

 the shoulders, and before it and between the shoulder and the suture 

 is an abbreviated considerably raised keel, which is tubercled on the 

 upper edge ; the legs and under side are ochrey-grey dotted with 

 brown ; the sides of each segment of abdomen beneath with a large 

 rusty spot ; the tibiae tinged with rusty behind. 



Length 9^ lines. 



Hab. Port Natal (Coll. Gueinzius). In Coll. Brit. Mus. 



ACMOCERA TRIANGULARIS, n. S. 



A. canescens ; thoracis lateribus nigris ; elytris singulis basi 

 medio tuberculo elongato cristato ; elytris lateribus macula me- 

 diana nigra triangulari postice albo-cincta et post medium par- 

 tem fascia curtula nigra ad suturam ; antennis cinereis nigro- 

 annulatis. 



Hoary, a black band between the eyes with two white spots, side 

 of head behind the eyes black ; thorax above with three small tuber- 

 cles, two in front and one in the middle ; each side with a largish 

 blunt tubercle, the sides black ; elytra in the middle at the base with 

 a longish tubercle, which is crested above ; down the middle is a 

 ridge ; the side about the middle has a large triangular black mark, 

 margined behind with white ; behind the middle across the suture is 

 a short black band, only separated from the side spot by a narrow 

 white line ; near the tip are two small black marks connected by the 

 margin ; under side grey, sides spotted with black ; tarsi with the 

 two basal joints above cinereous ; the other joints black. 



Length .5^ lines. 



Hab. Port Natal (Coll. Gueinzius). In Coll. Brit. Mus. 



