594 Descriptive Catalogue [1896. 



Elytra convex, striae, deeply punctured apicalis. 



Elytra not much convex, strise very slightly punctured . . . . imitans. 



Elytra not much convex, striae smooth, a small posterior 



reddish patch on each side, often wanting exigiiiLs. 



Elytra moderately convex, short, oblong ; colour piceous red, 



no reddish patch crassescens. 



Elytra with only one sutural stria on each side. 



Prothorax very cordiform ; elytra ovate, with the humeral 

 angles projecting; the five ultimate joints of antennae whitish, 

 eighth stria distinct ; colour piceous red, with an occasional 

 reddish round patch on each side of the posterior part . . . . Immeralis. 



Prothorax broad, transverse, slightly sinuate at base ; elytra 

 oblongo-ovate ; shoulders much rounded, no eighth stria ; colour 

 light testaceous ; lateral part of posterior margin and also the 

 apical one broadly infuscate liumilis. 



Prothorax subcordiform, eighth stria obliterated and replaced , ,,„„„,•„„, ,^ 

 by two subhumeral setigerous punctures " pusillimus. 



Tachys crassiusculus. 

 Acupalpiis bisignatiis, Bohem., Insect. Caffr., i., p. 224. 



Dark bronze-black ; the elytra with a greener tmge ; the four basal 

 joints of antennae pale yellow, the other joints infuscate ; legs flaves- 

 cent ; penultimate joint of palpi in the shape of an elongated club, 

 the last one very short ; head smooth ; prothorax broader than long, 

 a little attenuated laterally, and more so behind, where it is a little 

 sinuate above the apical angle which is sharp, the disk is smooth, 

 the median longitudinal and the transverse lines well defined, and 

 there is also a deep, supra-marginal groove running from the anterior 

 angle to the first lateral seta and sinuate in the posterior part ; elytra 

 oblong, convex, a little broader than the prothorax, but with the 

 humeral angles much sloping, sinuate at base, each one with five 

 dorsal narrow but deep striae, the intervals of which are almost 

 carinate ; these striae, with the exception of the sutural one, begin at 

 the same distance from the base and reach the top of the posterior 

 declivity, except the fifth one which is a little shorter than the other 

 three, the sixth and seventh striae are wanting, and the eighth is 

 very deep in the anterior part, sinuate, and has a few deep punctures 

 in the posterior part, the punctures on the third interval are not very 

 distinct, but there is a broad puncture at the base of the second stria 

 and a smaller one on the fifth ; the elytra are smooth with a dark 

 green metallic sheen, and have nearly always a rounded, flavescent 

 patch on each side of the posterior part. Length 3-3^ mm. ; width 

 1^ mm. 



Hab. Bechuanaland (Eamoutsa), Zambezia (Salisbury). 



