120 HYMENOPTERA OF SARAWAK. 



wider than long one on the 5th, a small mark (the smallest of 

 the series) on the sides of the 6th, 2 large marks, narrower, but 

 thicker and narrowed roundly on the innerside, on the 7th, and 

 2 marks, transverse on the outerside, narrowed roundly on the 

 inner, on the 8th, black. Legs of a paler yellow than the body, 

 a large black line on the under side of the 4 hinder femora, the 

 base behind of the 4 hinder tibiae and the 4 hinder tarsi, 

 black. Wings clear hyaline, the nervures and stigma black ; 

 the areolet oblique, triangular, shortly appendiculated. The 

 areola is large, longer than wide by about one-fourth ; its apex 

 transverse, slightly, but distinctly, narrowed from shortly be- 

 yond the middle to the base ; the basal lateral area is large, 

 dilated at the base, the 2nd is wider than long, with straight 

 sides, and of equal width throughout. Antennae black. The 

 recurrent nervure is almost united to the 2nd transverse cubital # 



Length 8-9 ; terebra 2 mm. 

 Hab. Kuching, April. 



Echthromorpha robusta, sp. nov. 



Black, head, except the occiput broadly, the centre of the 

 vertex and front, scutellums, 2 short marks on the base of the 

 mesonotum, a large, curved mark on the sides of the metano- 

 tum, reaching to near the base, extending on to the pleurae, in 

 front of and behind the spiracles, tubercles, a large, irregularly 

 semicircular mark on the basal half of the mesopleurae, a small 

 oblique one on the apex below, the apices of the abdominal 

 segments — the basal band broader than the others, which are 

 narrowed in the middle, — lemon-yellow. Legs similarly colour- 

 ed, the hind coxae broadly below, an oblique broad line, expand- 

 ed at the apex, above, a long broad line on the innerside of the 

 hind femora and a narrower one on the outer, the base of the 

 tibiae and the hind tarsi, black. Wings hyaline; the nervures 

 and stigma black ; the apical cloud dark violaceous. $ . 



Length 17 mm. ; terebra 5 mm. 

 Hab. Matang. 



Mesonotum distinctly, but not strongly or closely, punctur- 

 ed ; the 2nd and following segments of abdomen closely and 



Jour. Straits Branch 



