HYMENOPTERA OF SARAWAK. 149 



is greatly widened at the base, with the sides oblique ; at the 

 apex the sides are straight. Pro- and mesopleune smooth and 

 shining ; the meta- aciculated. 



Melcha albomaculatd) sp. nov. 



Black ; the median segment, scutellum, post- scutellum and 

 the parts at their sides, the mesopleurre, except for a triangular 

 mark on the upper basal corner, and the meso- and meta-sternum, 

 rufous ; the apex of the post-petiole rufous, tinged with yellow ; 

 more than the apical third of the 2nd abdominal segment, the 

 penultimate above and the apical entirely, white. Four front 

 legs and the hinder coxeg rufous : the rest of the hind legs black : 

 a band on the base of the tibiai, the apex of the 1st and the whole 

 of the 2nd and 3rd joints, white. 6th to 11th joints of antennae 

 white, except above. Wings hyaline, the nervures and stigma 

 black. 9. 



Length 9 mm ; terebra 2 mm. 

 Hab. Kuching. 



Antennae stout, the fiagellum slightly brownish. Face 

 rugosely punctured, the sides with irregular, longitudinal striae 

 Clypeus smooth and shining. Front and vertex opaque ; the 

 front with a stout keel running down from the ocelli ; the part 

 on either side of the keel irregularly transversely striated. 

 There are 5 stout keels in the basal scutellar depression. Post- 

 scutellum depressed, the depression rounded behind and in 

 the front, the basal bounding keel produced roundly backwards 

 in the centre. Base of median segment smooth, the keels of the 

 area thin ; the part beyond the keel closely regosely punctured, 

 almost reticulated ; the apical slope coarsely transversely reti- 

 culated, more coarsely on the sides thai? on the centre ; 

 the teeth longish. The apex and centre of the propleuras 

 longitudinally striated ; the stride becoming gradually narrowed 

 from the apex to the base ; the basal half of the meso- more 

 irregularly and widely striated to near the bottom ; the meta- 

 closely and strongly obliquely striated. Mesopleural furrow 

 crenulated. 



E. A Soc, No. U, 1905 



