128 HYMEN OPTERA OF SARAWAK. 



Cyancoxorides rufomaculatas, sp. nov. 



Blackish-blue, the thorax, except the mesdnotum, scutel- 

 lums and the central area of the metanotum, rufous ; the head 

 deep black, the face, the edge of the inner eye orbits to the 

 ocelli, the line roundly narrowed above and below and the lower 

 half of the outer orbits broadly pale yellow ; the base of the 1st 

 abdominal segment, a longish mark, its basal third becoming 

 gradually wider, then becoming narrowed again to the apex, 

 which is, like the base, rounded ; there is a similarly shaped 

 white mark, but much shorter and broader, on the apex of the 

 2nd segment, the apices of the other segments are narrowly 

 banded with a clearer white colour. The 4 front legs and the 

 hinder coxae are coloured like the thorax ; the middle tibiae are 

 paler in front and fuscous behind ; the basal and apical joints of 

 the middle tarsi black, the middle white ; the hind trochanters, 

 femora, tibiae and apical joint of tarsi, black, with a blue tint; a 

 line near the base of the tibiae and the tarsi, white. Wings 

 clear hyaline, the nervures and stigma black ; the latter with a 

 white band at its base. 9 . 



Length 18 mm. ; terebra 16 mm. 



Kuching, June. 



Face closely punctured, its apex curved roundly and ob- 

 liquely depressed, reddish, as is also its centre and the clypeus. 

 Front and vertex smooth, shining ; and with purple tints. 

 Mandibles black, rufous at the base. Mesonotum closely, 

 minutely punctured ; its central part in the middle closely reti- 

 culated ; the middle at the apex with some stout, curved longi- 

 tudinal keels. Apical slope of scutellum irregularly striated. 

 Post-scutellum stoutly keeled laterally and there is also a 

 central keel. Metcnotum strongly, irregularly striated ; the 

 black central area is stoutly, irregularly reticulated. Pro- meso- 

 and the lower half of metapleurae smooth ; the upper haL of 

 metapleurae irregularly punctured at the base, the apical h alf 

 irregularly obliquely striated ; this part is bordered below by a 

 distinct and above by a less distinct, longitudinal keel ; on the 

 apical slope are 6 areae in 2 rows, the basal areae being the 

 larger. Basal 3 segments of abdomen closely, minutely punc- 



Jour. Straits Braneb 



