148 HYMENOPTERA OF SARAWAK. 



Melcha hyalinis, sp. nov. 



Black, shining ; the median segment, except on the base of 

 the metanotum, the apex of the mesopleurae, the mesosternum, 

 post-scutellum and the base of the petiole, red ; the face, clypeus, 

 base of mandibles, apex of petiole and the apex of the 2nd 

 abdominal segmentfrom shortly behind the middle, pale yellow; 

 the 4 front legs pale rufous, the hind coxae rufous, blackish above, 

 the trochanters and femora blackish-fuscous, the femora dull 

 rufous below, the tibiae blackish, their basal fourth clear white ; 

 the basal and apical joints of the tarsi black, the others clear 

 white. Antennae fuscous, darker towards the apex, the scape 

 yellowish, tinged with rufous. Wings hyaline, the stigma and 

 nervures black. 5 . 



Length 6 mm. 



Hab. Kuching. 



Smooth and shining. Area on metanotum aciculated ; the 

 part between the 2 keels obscurely striated in the middle; the 

 apical slope with some curved striae above. Hind tarsi and 

 tibiae minutely spinose. 



Melcha reticulata, sp. nov. 



Black ; the labrum, palpi, tegulae, the 4 front coxae and 

 trochanters, the basal fourth of the hind tibiae, the apex of the 

 1st joint of the hind tarsi and their 2nd 3rd and 4th joints, 

 white ; the apex of the metanotum, the greater part of the 

 metapleurae and the petiole pale rufous ; the base of the post- 

 petiole black, its apex and the apices of the 2nd and 3rd segments 

 broadly, white. Antenna? bl;ick ; the scape and the base of the 

 flagellum dark testaceous. Wings hyaline, the stigma and ner- 

 vures black. 



Length 7 mm. 



Ilab. Kuching. March. 



Smooth and shining ; the face above obscurely punctured ; 

 the metanotum behind the keel reticulated, the sides striated ; 

 the reticulations are widest at the base ; the basal central area 



Jour. Straits Branch 



