von Westafrika. 19 



Scarabaeidae. 



15. Bolhoceras rugifer Q. B. capensi affinitate multo 

 approximakis , sed corpore aliquanto minore et obscuriore. Ca- 

 staneo-fuscus, sat nitidus, fronte verticeque transversim rugosis, 

 dypeo quadrato, antice obtuso, costula terminato, ore antennisque 

 laete ferrugineis; thorace ante marginem antlcum paululum ovali, 

 impresso, bene, sed sparsim, versus latera crebrius punctulato, 

 ad marginem posticum laevigato, foveola punctis congregatis 

 completa; elytris admodum, convexis, postice fere deorsum dehis- 

 centibus, laevissimis, crenato-striatis, interstitiis via; conveaiis, 

 impunctatis. Subtus fusco-ferrugineus. — Long. 9,5 mm, — Am 

 nächsten mit B. capensis Klug verwandt. 



16. Seriea latipes. Oblongo-ovalis, brunnea, clypeo suh- 

 quadrato, antice attenuato, leviter emargmato, angulis rotundatis, 

 marginibus elevatis, supra densissime et profunde punctato, nitida, 

 a fronte linea tenui, recurvata separato, fronte opaca, impunctata; 

 antennis 9- articulatis , clava trifolliculata; thorace punctulato, 

 elytris leviter striato-punctatis, punctis similibus intermissis, striis 

 approximatis , femoribus tibiisque posticis sat dilatatis ut in 

 Trochalo gener e. — Long. 8,25 mm. — Nahe mit der japanischen 

 Art japonica Motsch. verwandt. 



17. Trochalus rufobrunneus. Rufo-brunneus, pruino- 

 sulus, opacus, capite thoraceque obscurioribus , brunneis; clypeo 

 mediocriter porrecto, nee quadrangulariter elongato, dense rugu- 

 loso-punctato, linea frontali, interoculari curvata, antice concava, 

 non elevata, vertice punctulato, postice fere impunctato; prothorace 

 levissime et obsolete ptmctulatis, punctulis vioß conspicuis, angulis 

 anticis vios obtusis; elytris leviter 9-strmtis, striis punctulatis, 

 interstitiis haud sparsim punctulis, ut in prothorace, minimis 

 instructis. — Long. 7,5 mm. — Nahe mit chrysomelinus Gerst. und 

 Seriea cinnamomea Klug verwandt. 



18. Trochalus concolor. JRufo-brunneus, opacus, Trochalo 

 rufobrunneo valde affinis, sed thorace cum elytris concolore, ely- 

 trorum interstitiis striarum distinctius punctatis thoraceque linea 

 elevata mediana, antice abbreviata, instructo; capite rugoso, vertice 

 punctulato, epistomate mediocriter attenuato, antennis ferrugineis-, 

 prothorace subtiliter punctato; elytris rufo-brunneis, opacis, punc- 

 tato-striatis. Long. 7 mm. Nahe mit der vorigen Art verwandt. 



2* 



