1896.] of the Goleoptera of South Africa. 277 



thorax almost quadrate {fiavosignatus), or with the sides rounded 

 and the basal part narrower than the apex {limhatus) ; elytra twice 

 as broad as the prothorax, depressed, punctato-striate, with the 

 intervals plane, no puncture on the third, and the suture ending in 

 a moderately blunt spine ; tarsi subfiliform ; claws not pectinate. 



Hah. The genus is represented in iVfrica (Senegal, Sierra Leone, 

 Zanzibar), Madagascar, Mauritius, India, Burmah, Ceylon, and 

 Borneo. 



SynoiJsis of S'pccies. 



Each elytron with a lateral sub-basal transverse yellow patch, n f^ ■ ^ fn 

 and a supra-apical one \lTteicornis''' 



Each elytron without any yellow band or patches, but with 

 the lateral margins testaceous yellow limhatus. 



Thyreopterus flavosignatus, Dej., 



Plate VII., fig. 9. 



Spec. Col., vol. v., p. 446. 



T. maculatus, Chaud., Bull. Mosc, 1837, iii., p. 12. 



Head black, plicate between the eyes, punctulated behind and 

 with a median impression in the centre ; antennae with the four 

 basal joints infuscate, and red at the tip, the others rufescent ; 

 prothorax nearly trapeziform, with the anterior angles slightly 

 rounded, punctulated, finely grooved in the centre, slightly de- 

 planated on the outer sides, with the lateral margins acute, but not 

 much recurved, black, with the outer margins reddish, faintly plicate 

 transversely, and brieflly pubescent ; elytra twice as broad as the- 

 prothorax, truncate at the base with the humeral angles rounded, 

 the outer sides a little ampliated in the centre, narrowly striated, 

 with the intervals broad, plane, punctulated, each puncture bearing 

 a very short, flavescent hair, outer margins with a series of broad, 

 distant punctures, and with five long distant setae — one below the 

 shoulders, the second one above the median part, the third one 

 above the apical outer angle, and two in the posterior margin ; black, 

 moderately shining, and having on each side a yellow sinuate patch 

 extending below the base from the third to the seventh interval, 

 and a supra-apical one extending from the suture to the fifth in- 

 terval, coalescing at the suture with the patch on the opposite 

 side, narrowed on the first and second interval, and longer on the 

 third, fourth, and fifth ; under side and legs very dark brown, 

 femorae pale red, black at the apex. Length 9-11 mm. ; width 

 4-5 mm. 



Hab. Cape Colony (Graham stown), Natal (Malvern, D'Urban, 

 Escourt), Transvaal (Potchefstroom), Ovampoland (Omrromba). 



