130 HYMEXOPTERA FROM SARAWAK. 



Comes near to T. lacteifasciata Cam. but that has the second 

 cubital cellule narrower at the top ; the thorax rufous and the 

 femora rufous. 



Trigona flavistigma, sp. no v. 



Rufo-testaceous, the hinder tibiae and the basal joints of the 

 four hinder tarsi black ; wings hyaline, the basal half with a 

 distinct yellowish tint ; the stigma fulvous yellow, the nervures 

 slightly darker in tint ; antennee rufo-testaceous, the apical four 

 joints black. 5 . 



Long : 8 mm. 



Hab. Kuching, Sarawak. 



Head smooth and shining ; the front and vertex sparsely 

 covered with long black hair ; the hairs on the vertex longer 

 than those on the front. Cheeks and clypeus covered with golden 

 pubescence ; the clypeus also sparsely with black hair. Mandi- 

 bles rufous, blackish at the apex. The thorax is narrower than 

 the head and is similarly coloured ; the mesonotum and scutellum 

 are sparsely covered with blackish hair ; the sides and apex of 

 the former have a yellowish down ; the pronotum is glabrous in 

 front, sparsely haired behind ; in the centre, at the base, is a 

 wide depression. The apical slope of the scutellum is thickly 

 covered with long pale fulvous hair. The centre of the metano- 

 tum is very smooth, shining and glabrous ; the niesopleura? 

 thickly covered with long, pale fulvous hair. The wings have a 

 distinct yellowish tinge to the base of the stigma ; the stigma 

 and nervures are bright rufo-fulvous. Legs coloured like the 

 body : the hinder tibia* and the basal joints of the four hinder tarsi 

 black; the hair on the black part of the legs is black. Abdomen 

 coloured like the thorax ; its base lighter in tint; the ventral sur- 

 face is darker and is thickly covered with long blackish hair. 



Trigona latebalfeata, sp. nov. 



Black ; the base of the scape, the basal and the apical two 

 segments of the abdomen rufo-testaceous ; the anterior legs, the 

 middle coxfe, trochanters, femora and the tibiee in front ; the 

 hinder coxae and trochanters beneath, rufous, the wings clear 

 hyaline, the stigma and nervures testaceous. Worker. 



Long : 5 mm. 



Hab. Kuching-. Sarawak. 



