296 



tliree Joiiits llavous. livst joinl clonuute und thickened. h^ccoud 

 slioii. third uearlv (^^'ice as Iiui^-. thc Ibllowinu l'our joinis^ verv 

 •slioii. iit'ur]\ mouililunn. llie ciulilli triangulai'lv dilaled. tlio uiulli 

 longer. also very strongly tliickeued, tciith eyliudrical, elongate, 

 as ■well as tlie terminal one wliich is strongly poiuted. thcirax 

 twice as broad as long, ol' eipial widlli. the sides l'eebly rounded. 

 the suriace rathrr convex. iniinuictate HaNiais. sciitcllum broad. 

 piceous. elytra widened towai'ds Ihc nnddlc. dislincllv and verv 

 cbvsely ])iinciared. nielallie blue. leg^ llavoiis. the breast and 

 abdonien as well as llie ttirsi niore or less pieeous. 



Liangagas, Soekarauda. 



This is the second species ol' the genas originally described 

 li\ nie i'roni Nias (Annali .Mus. Ciieno\a 1889): i1 agrees entireh 

 in struetural eliameters -witli llie type bat ditl'ers Idlally in enhi- 

 ratiun and iniless the Nias speeinien should ])rove to be an 

 eulirely l'ulvous \ariety. the present species will be easilv 

 diötinguished. 1 am at present unable fo say whether the structure 

 ol' the antennae is peeuliar to the male sex only. not haviiig 

 enough material belbre nie to deeide this. bat it is probable that 

 the lemale ])0ssesses simple antennae. 



Dioihcibda robusta sp. u. 



\cv\ broad and robust, pale l'uscous. tinelv piibeseeut. the 

 antennae (the basal joints excepted) and the tibiae and tarsi 

 bhudv. thorax llnely nigose-punetate Mithout spots. eh ti'a seulptured 

 like the thorax and linely pubescenl. 



Length 10 — 12 mill. 



Head linely rugose. without spots. the clypeus .'^Ironglv 

 raised, eyes large. IVontal elevalions obsolete, antennae short and 

 robust, not extending to the middle ol' the elytra. blaek. the 

 basal tw(» Joints testaceous. third and rourth Joints cqiial. terminal 

 jüinis shorter and tliinncr: thorax more fhan twice as broad as 

 long. Ihe sides widened at the middle and l'orming an obsolete 

 angle, narrowed or eonstrieted anteriorly. the anterior angles in 



Stelt, entomol. Zeit. ISitV». 



