(113) 



'M. Mecocerina diffusa .spue. nov. 



cJ. Black, very slightly rufesceut. Rostrnm and sides of head pubescent 

 white ; rostrnm slenderer than in .1/. xenoceroides Jord. (1895) and anmbilis Pasc. 

 (1859), the lateral edge of the elevate dorsal area rather more cariniform than in 

 those species and united above the antennal groove with a very distinct dorso- 

 lateral carina ; a thin mesial carina extends on to the frons and is divided by an 

 elongate groove beyond the middle of the rostrnm, the carina being indicated 

 between this groove and the apical margin by a broad, flat, very feebly elevate, 

 punctured stripe. Frons with nearly parallel sides, widening behind, a little 

 broader than in M. xenoceroides, buff ; occiput brown. Antennae long and slender, 

 similar to those of J/, xenoceroides. 



Prouotum half as broad again as long, impuuctate, widest in front of the 

 dorsal carina, the sides being rounded behind, but less so than in M. lewisi spec, 

 nov. ; before middle a distinct transverse sulcus ; ground-colour brown, the sides, 

 exclnsive of an abbreviated (jblicjiie streak, and a broad straight median vitta buff, 

 rather diffuse; dorsal carina nearly straight, being faintly concave mesially and 

 more distinctly so laterally, curved forward in a semicircle, the lateral carina 

 extending to the middle of the side. 



Elytra a very little wider at the base than the jirothorax, gradually narrowed, 

 slightly rounded, hardly at all depressed above, distinctly punctate-striate, brown, 

 marked with many short, diffuse, clayish buff streaks, which are widest dorsally 

 beyond the middle and here isolate a small brown sutural spot. Fygidium and 

 last abdominal steruite truncate, with sharp angles (cJ). 



Underside pubescent grey, slightly huffish, impnnctate ; tip of tibiae and of 

 first tarsal segment as well as the wliolc 2-i segments black ; tarsi shorter than 

 in M. xenoceroides. 



Length (exclusive of bead) 5 mm. 



One S from Johore, Malay Peninsula. 



37. Mecocerina guttata Jord. (1003). 



The species was described from a single c? from North Celebes. 



We have now from other localities specimens of both sexes which agree well 

 with the name-type except in some minor differences. They all differ from 

 M. rhcuiis spec. nov. in the prothorax bearing two broad and sharply defined 

 black vittae and on each side a black dot, in the elytra being rather coarsely 

 punctate-striate and having each 7 or 8 black markings, and in the apical half 

 of the antenna being white in the S. Segment 9 of the antenna of the ? is 

 very little longer than 8, half as long again as 10, and little over half the length 

 of 11. 



Our specimens represent three subspecies. 



3Ta. M. guttata guttata Jord. t^l0o3). 



Antenna and legs brownish black, proximal antennal segments rufesceut at 

 base; huffish grey median stripe of pronotum nearly as broad as a lilack vitfa ; 

 the fourth dorsal spot of the elytrum the largest of all, round, at lateral margin 

 a transverse spot behind shoulder, a smaller one Ijehiud middle and another of 



8 



