p. CAMERON, OX THE ^NfALAY TOSSORTAL HYMENOPTERA AND VESPID.E. 49 



pubescence and, less closely, with silvery hair ; the malar 

 space thickly with similar hair. Thorax longish, more than 

 twice longer than wide, the base broadly rounded, the apex 

 transverse ; the sides distinctly contracted in the middle, with 

 irregular edges above. Crollar closely, strongly, irregularly 

 transversely striated, the base depressed and smooth ; the 

 upper part is coarsely irregularly longitudinally rugose ; the 

 punctuation becoming stronger towards the apex ; on the apical 

 slope it runs into coarse vertical striœ. Pleurœ smooth, except 

 on the upper part of the metapleura? which is irregularly 

 punctured. Abdomen sessile, longer than the head and thorax 

 united ; the ventral keel ends at the apex in a distinct blunt 

 tooth ; the pubescence is dense and black. Pygidium at the base 

 longitudinally, the rest, except at the apex, irregularly trans- 

 versely striated. The punctuation on the 2"'^ ventral segment 

 is sparse, on the others closer and stronger. Eyes large, oval. 

 Conies near to M. acceden,^, Rad. 



Mutala melrnora sp. nov. 



Length 12 mm. 5. 



Ardjuno. Java, (Scheepmaker leg.). 



Identical in colouration with the preceeding, but easily known 

 from it by being smaller and, more particularly, by the top 

 of the apical slope of the thorax being irregularly striated, the 

 rest smooth, by the ventral keel having a small tooth in the 

 middle, and by the pygidium being longitudinally striated 

 throughout, not transversely at the apex ; otherwise the punc- 

 tuation and pubescence is the same in both. 



Head clearly wider than the thorax. The 3''^ joint of antennse 

 nearly as long as the following tAvo united ; the flagellum 

 covered with a grey down. Mandibles obscure rufous in the 

 middle. Thorax slightly contracted in the middle, the dilated 

 apex longer than the dilated base. Pleune entirely smooth. 

 Tijdschr. V. Entom. XL Vili. 4 



