286 MARTIN .lACOBY 



groove, tlie chpeus with an acute central ridge; penultimate 

 joint of the palpi incrassate ; antenna* half the length of the 

 body, the three lower joints fulvous, the rest black, the basal 

 one elongate', gradually thickened , the second short , tlie third 

 one half longer, the four following joints short, triangularly 

 widened and gradually increasing in width, the next joint sub- 

 (juadrate , greatly widened , the ninth jiroduced into an acute 

 point within, tiie tenth subquadrate, strongly flattened but larger 

 than the eighth joint, the eleventh the longest, thickeiied and 

 ending into a })oint; thorax transversely convex, twice as broad 

 as long, not widened at the middle, the sides rounded, the angles 

 distinct but not prominent, tlie surface very minutely punctured, 

 onl^' visible under a strong lens ; scutellum triangular ; elytra 

 ovate, more distinctly punctured than the thorax, the intei*stices. 

 also extremely minutely punctate, their epipleurie broad at the 

 base, indistinct below the middle. A single specimen. 

 Isl. of Nias , Hawo Lowalani. 



39. A-eiiidea «.jiicalis, n. sp. 



{Piote IV, fig. 12). 



Reddish fulvous ; antenuce flavous ; head and thorax opaque , 

 impunctate ; elytra violaceous blue, extremely linely punctured, 

 the apex fulvous. 



Length 4 lines. 



Head longer than broad , entirely impunctate ; the frontal 

 tubercles in shape of short oblique ridges; clypeus transversely 

 hollowed at its lower portion extending upwvirds between the 

 antennae, more shining ; penultimate joint of the palpi incrassate; 

 antenna? nearly as long as the body, flavous, the first two joints 

 fulvous , the following very slender and elongate , pubescent ; 

 thorax twice as broad as long, the sides narrowed at the base, 

 rounded before the miildle, the surface with a broad transverse 

 deep sulcation , impunctate, opaque; scutellum fulvous; elytra 

 with the basal portion slightly swollen, dark blue , moderately 

 shining, extremely finely punctured, the apex fulvous, this colour 



