140 HYMEN OPTERA OF SARAWAK. 



the apex of the middle lobe of mesonotum, longer than broad, 

 transverse at the base, rounded at apex, scutellum, except at 

 the apex ; a longish mark, transverse at base and narrowed to- 

 wards the apex on the base of the metanotum and reaching to 

 the keel ; a broad line on the basal half of the apical slope, its 

 apex more broadly, the base of the pronotum, a small mark on 

 the lower part of the propleurae, tubercles, a conical mark on 

 the base of the mesopleurae in the centre, a mark, rounded at the 

 base, on the upper and a similar mark on the lower part of the 

 mesopleurae, the greater part of the outer edge of the mesoster- 

 num, 2 larger marks on its centre, an oval mark below the hind 

 wings above the spiracles and a large mark, roundly narrowed 

 below near the apex of the metapleurse in the middle and the 

 apices of all the abdominal segments, yellow. Legs pallid 

 fulvous, the coxae and trochanters paler, the 4 front femora and 

 tibiae lined above with black: their coxae marked with black be- 

 fore and behind ; the hind coxae black, largely yellow at the 

 base above and at the apex below ; the trochanters black above, 

 the apical fourth of femora, base of tibiae narrowly, their apical 

 fourth and the last joint of tarsi, black, the rest of tarsi white. 

 Hab. Kuching. 



Mesostenus maculiscutis, sp. nov. 

 Black, the face (except for a black mark in the centre) 

 clypeus, labrum, the inner orbits (the line continued shortly 

 beyond the eyes) the outer from near the top, the line becoming 

 gradually wider below, the malar space, a mark on the centre 

 of the pronotum, a mark on the mesonotum, transverse at the 

 base, rounded and narrowed towards the apex, tegulae, scutel- 

 lar keels, a mark on the base, apex and sides of scutellum, post- 

 scutellum, a broa(J straight line down, the centre of the meta- 

 notum, united to a transverse one at its apex of about the 

 same width, a curved mark on the lower part of the propleurae, 

 tubercles, a broad line, dilated upwards at the base and apex 

 and united before the apex to a large mark on the mesoster- 

 num and a large mark on the middle of the metapleurae, yellow. 

 The 6 basal segments of the abdomen banded with yellow at the 

 apex; the 3 apical bands not united to the yellow on the ventral 

 surface, the apical two-thirds of the last segments broadly on 



Jour. Straits Branch 



