166 Descriptive Catalogue [1896. 



Elytra yellowish red, with a broad, sutural black patch. 



Patch narrow dorsalis. 



Patch very broad proxinms. 



Macrochilus biplagiatus, Bohem., 

 Insect. Caffr., i., p. 66. 



Brick-red ; the elytra black, with a round yellow patch in the 

 centre of each ; antennae with the first basal joint redder than the 

 others ; head with a deep transverse impression above the epistome, 

 deeply and broadly punctured and dotted with a few short, scattered 

 hairs ; prothorax slightly pubescent, truncate at the apex ; cordiform^ 

 plane on the disk with the margins sharp, deeply impressed on each 

 side of the base, slightly grooved in the centre, and covered with 

 broad punctures ; elytra parallel, plane, briefly pubescent ; the outer 

 margin with a series of long, distant, fine bristles, deeply striate with 

 the intervals more carinated from the base to the median part than 

 from the median part to the apex where they are convex, and each 

 with two series of punctures, the outer ones broader than the inner 

 ones in the anterior part, but both of equal size and depth in the 

 posterior part ; they are black, shining, and have on each side 

 between the base and the median part a round, yellowish-red patch 

 extending from the second to the eighth interval. Length 13 mm. ; 

 width 5 mm. 



Hab. Caffraria. 



Macrochilus hybridus. 



Piceous black, moderately shining, thickly pubescent ; terminal 

 joints of antennae dark ferruginous, four basal ones piceous ; tibi^ 

 and tarsi piceous ; femora flavescent ; palpi piceous, reddish at apex ; 

 head with deep, not closely set punctures ; prothorax cordate, a little 

 sinuate at apex, truncate at base, deeply and irregularly punctured, 

 thickly pubescent ; elytra a little broader than the prothorax at base, 

 parallel, depressed, striate with the intervals nearly plane but with a 

 double series of punctures, very thickly pubescent, piceous black 

 like the rest of the body and with a median ovate yellow^ patch 

 extending in width from the second to the seventh stria, but with 

 the apical part a little nearer the base than the basal one to the apex. 

 Length 11 mm. ; width 3 mm. 



Smaller and much narrower than M. biplagiatus ; the legs are also 

 of a different colour. 



Hab. Natal (Escourt). 



Macrochilus dorsalis, Klug, 

 Jahrb., i., p. 77. 

 Brick-red ; elytra yellowish red, and with a black sutural band 



