21^4 >'OVITAIES ZOOLOGICAE XXI. 1?U. 



ANTHBIBIBAE FKOM THE CONGO IN THE MUSEUM AT 



LUXEMBOURG. 



By Dr. K. JORDAN. 



M VICTOR FERRAXT, Curator of the Museum of Natural History at 

 • Luxembourg, has kiadl}' submitted to me the Anthribidae collected by 

 M. Ed. Luja at Kondue, Belgian Congo, and those obtained by R. P. Kohl at the 

 Stanley Falls. M. Luja's collection is considerable. It contains not only a number 

 of new forms, but also specimens of some species which were originally described 

 from one example or one sex only. Many of the commoner species are represented 

 by long series, illustrating the range of variation of these species at Koudue. 



1. Mecocerus mniszechi Thorns. (1S58). 

 2 S <S and 1 ? from Kondue. 



2. Mecocerus rhombeus Qued. (1886). 

 ASS from Koudue. 



'i. Mecocerus dolosus spec. nov. 



S . Parvus ; rostrum cum fronte sulco mediano profundo instructum ; elytris 

 in utroque disco macula postmediana transversa rotundata nigra luteo-grisea cincta 

 signatis ; macula metasternali velntina maris magna. 



Long. (cap. excl.) : Oo mm. 



2 J (? from the Ogove R. (type) and Loanda in the Tring Museum ; 1 S from 

 Kondu6 in the Luxembourg Museum. 



In structure nearest to M. clathratiis Jord. (1003). Pubescence olivaceous, 

 sometimes more whitish grey (Kondue specimen), densely shaded with luteous, the 

 latter tint here and there concentrated so as to form small spots, which, however, 

 are not very distinct. Behind the centre of each elytrum a velvety black trans- 

 verse elliptical spot, around which the luteous pubescence is condensed. The 

 second and third tarsal segments and the ajjcx of the first are black in the type 

 and more or less grey in the second specimen. 



The median groove of the frons and rostrum is nearly twice as long as the eye, 

 and about one-fourth as wide between the eyes as the frons. The velvety spot on 

 the metasternum of the t? is as large as in M. clathratus, its diameter being longer 

 than the distance of the patch from the basal process of the abdomen, the cf being 

 easily distinguished by the size of this patch from specimens of M. fuscoplagiatus 

 Jord. (1804) which are similar in colour. 



4. Mecocerus inornatus Kolbe (1805). 



1 c? from the Stanley Falls, Upper Congo (R. P. Kohl). The antennae of 



this specimen hardly reach the centre of the elytrum. The velvety patch on the 

 metasternum appears to be absent. The basal edge of the elytrum is distinctly 

 marginate. 



