214 Descriptive Catalogue [1896. 



truncate behind, slightly broader than long, with the sides recurved 

 and rufescent, faintly plicate transversely, and with a median narrow 

 longitudinal groove ; elytra truncate at the base, with the humeral 

 angles slightly rounded, broad, parallel, finely striate, with the 

 intervals plane and five conspicuous punctures on the third ; under 

 side black ; claws pectinate, with seven teeth moderately long on 

 each side, the two inner ones very small ; wings under the elytra. 

 Length 14-15 mm. ; width 5-6 mm. 



Hah. Cape Colony (Cape Town, Malmesbury, Hopefield, Wor- 

 cester, Touw's Eiver). 



Hysteichopus dorsalis, Thunb., 

 Nov. Spec. Ins., 1784, p. 73. 

 H. badius, Germ., Mag. Ent., iv., p. 114. 



Head, prothorax, antennas, palpi, under side, and legs black; elytra 

 rufous, with the apical margin infuscate ; head smooth ; prothorax 

 as broad as long, sinuate in front, truncate behind, broader than 

 long, with the outer sides rounded and the margin much recurved ; 

 elytra truncate at the base, with the humeral angles slightly rounded, 

 broad, parallel, finely striate, with the intervals a little convex, and 

 with four punctures on the third interval; claws pectinate, with eight 

 moderately long teeth on each side, the two inner ones very short ; 

 wings under the elytra. 



Allied to the preceding species ; but not only are the elytra dull 

 red instead of black, but the prothorax is also longer and wider. 

 Length 15-16 mm. ; width 6 mm. 



Hab. Cape Colony (Cape Town). 



Hysteichopus similis. 

 H. rufipejinis, Bohem., Insect. Caffr., i., p. 45. 



Head, prothorax, antennae, legs, and under part of the body 

 black ; elytra dull red, with the base, the outer margin, and the 

 posterior part from the apex to about one-fourth of the length 

 black ; head smooth, antennae with the four basal joints black, 

 the others slightly rufescent ; prothorax cordiform, grooved in the 

 centre, the sides deplanate and the outer margin recurved ; elytra 

 broader than the prothorax, gradually ampliate towards the apex, 

 where they are about one-third broader than at the base, punctato- 

 striate with the intervals carinate in the centre and with five 

 punctures on the third ; claws pectinate, with six moderately long 

 teeth on each side. 



Allied to H. dorsalis, which it much resembles ; the prothorax is 

 more cordiform, that is to say, narrower from the median part to 

 the base ; the elytra are narrower at the base and the intervals more 



