HYMENOPTERA OF SARAWAK. 143 



closely and finely transversely striated. Mesonotura closely, 

 distinctly and finely punctured, the sides and apex obscurely 

 striated. Scutellar depression with 4 stout keels ; the scutel- 

 lum almost impunctate. Base of metanotum closely finely 

 rugose and with a few keels at the sides of the area ; the rest 

 is closely reticulated, the apical slope in the middle finely 

 rugose. Propleune behind the keel strongly, obliquely striated ; 

 mesopleurae closely, rugosely reticulated, less closely at the top 

 where there are a few oblique and curved striee ; petiole smooth 

 and shining ; the 2nd and 3rd segments closely punctured ; 

 gastrocoeli obscurely striated. 



Skeatia balteata, sp. nov. 



Black ; the face, clypeus, mandibles, eye orbits, a line on the 

 centre of the pronotum, a square mark on the apex of the middle 

 lobe of the pronotum, scutellums, the sides, including the teeth 

 broadly, and the top of the apical slope of the metanotum, 

 tubercles, a mark, longer than broad, above the apex of the 

 mesopleurse, a line below on its apical half and a similar line 

 on the sides of the basal half of the mesosternum, an oblique 

 mark under the hind wings and a large mark, becoming gradually 

 wider below, on the centre of the mesosternum and the apices 

 of all the abdominal segments, yellow. Legs fulvous, the middle 

 tarsi blackish, the hinder white; the outer side of the hind coxae, 

 hind trochanters, base and apex of femora, the tibiae at the base 

 narrowly and at the apex more widely, black. Wings hyaline, 

 the stigma and nervures black. Flagellum of antennae broadly 

 white. 9 . 



Length 11-12 mm. 



Ilab. Singapore. • 



Face sparsely and strongly punctured, its centre projecting. 

 Front and vertex smooth. Mesonotum opaque, closely and 

 distinctly punctured ; the middle of the central lobe shining ; 

 scutellums smooth. Metanotal area distinctly defined, moder- 

 ately large, its apex about half the length of the base ; the rest 

 of the base finely rugose, depressed near the area ; the remainder 

 of the metanotum closely reticulated ; the apical slope more 



R. A. Soc, No. 44, 1905. 



