HELOTA ROUYERI. 131 



NOTE V. 



HELOTA ROUYERI, NOV. SPEC. 

 FROM WEST-SUMATRA 



DESCHIBED BY 



C. RITSEMA Cz. 



Allied to HelotM Vandepolli Rits. % from Borneo, but 

 broader, more strongly shining and of a brighter, more 

 golden bronze colour above; moreover the punctuation on 

 the head and pronotum is much coarser, that along the 

 middle of the elytra finer, and the yellow spots on the 

 elytra are larger. 



Length 12 mm. — Above vefy shining along the middle 

 and of a bright golden bronze colour; along the lateral 

 margins the elytra are greenish; the scutellum is green; 

 the antennae are pale testaceous with the club dark pit- 

 chy; the yellow elytral spots are situated between the S^d 

 and 6th striae and surrounded with black ; the anterior pair 

 IS subquadrate, the posterior pair slightly narrower (more 

 ovate) than the anterior one. The colour of the underside 

 is pale testaceous, with the exception of the head (the 

 throat alone is testaceous), the lateral portions of the 

 prosternum and the elytral epipleurae which parts are 

 bright golden green; the middle portion of the sterna 

 shows a metallic green hue; the legs are pale testaceous 

 with the trochanters pitchy brown and the apex of the 

 femora, the base and apex of the tibiae ^) and the tarsi 

 dark pitchy, the latter with the exception of the base of 



1) Notes from the Leyden Museum, Vol. XIII (1891), p. 197. 



2) The testaceous colour on the tibiae occupies slightly more than one 

 third of them in Rouyeri- in Vandepolli the testaceous portion is larger, 

 owing to the more restricted pitchy colour at the base and apex of the tibiae. 



Notes from the Leyden JMuseutn, Vol. XXVIII. 



