I1YMEN0PTEUA FROM SARAWAK. 5 7 



separated from the face, roundly convex ; its apex depressed. 

 Mandibles large, wide ; their apex with two equal triangular 

 teeth. Parapsidal furrows extending beyond the middle. 

 Scutellum roundly convex ; the basal depression wide and deep. 

 The metapleural furrow is wide, deep and reaches to the apex ; 

 there is only a basal keel on the median segment ; the legs are 

 stout and of moderate length ; the fore tarsi are longer, the 

 four hinder shorter, than the tibiae ; the fore tibite are distinctly 

 narrowed at the base; the claws longish, curved. There are 

 distinct gastrocoeli on the second abdominal segment ; the apical 

 segment is transverse, bluntly pointed and bears distinct cerci. 

 Belongs to the Mesostenini and is most nearly related to 

 the American genera Mesostenoideus and Cliristolia. 



Fislistina maculipennis, sp. nov. 



Nigra, abdomine late liavo-balteata ; pedibus ruti ; tibiis 

 late apiceque femorum posticorum nigris ; alis hyalinis, fascia 

 substigmatali f usca 9 • 



Long : 10 ; terebra 2 mm. 



Hab. Borneo (Shelford). 



Antenna stout, longer than the body, black with two white 

 bands, one on joints 6-10 and another on joints 13 to 16. Head 

 -entirely black ; the face rugose, roundly projecting in the 

 middle ; the front smooth ; the lower part of the vertex stoutly, 

 longitudinally striated. Mesonotum smooth and shining, 

 the furrows appear to bear a silvery pubescence. Scutellum 

 smooth, yellow ; the basal depression has four keels. Median 

 segment coarsely reticulated ; the basal region in the middle 

 smooth ; the teeth are yellow, short and broad. The upper part 

 of the propleurae closely obliquely striated ; the middle less 

 closely and more strongly longitudinally striated ; the basal 

 half of the mesopleurae is closely longitudinally striated ; the 

 apical smooth and shining ; the metapleurae coarsely rugose. 

 Wings hyaline, a broad fuscous cloud extends from the stigma 

 to the opposite side. Legs rufous ; the tibiae and tarsi paler, 

 the hinder white ; the greater part of the four front tarsi, the 

 four front tibiae in front, the apex of the hinder femora, the 

 tibiae, except at the base, and the apical joint of the hinder tarsi, 



